Bump actions/checkout from 4.1.4 to 4.1.6 (#124)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.4 to 4.1.6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/actions/checkout/releases">actions/checkout's releases</a>.</em></p>
<blockquote>
<h2>v4.1.6</h2>
<h2>What's Changed</h2>
<ul>
<li>Check platform to set archive extension appropriately by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1732">actions/checkout#1732</a></li>
<li>Update for 4.1.6 release by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1733">actions/checkout#1733</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/actions/checkout/compare/v4.1.5...v4.1.6">https://github.com/actions/checkout/compare/v4.1.5...v4.1.6</a></p>
<h2>v4.1.5</h2>
<h2>What's Changed</h2>
<ul>
<li>Update NPM dependencies by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1703">actions/checkout#1703</a></li>
<li>Bump github/codeql-action from 2 to 3 by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1694">actions/checkout#1694</a></li>
<li>Bump actions/setup-node from 1 to 4 by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1696">actions/checkout#1696</a></li>
<li>Bump actions/upload-artifact from 2 to 4 by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1695">actions/checkout#1695</a></li>
<li>README: Suggest <code>user.email</code> to be <code>41898282+github-actions[bot]@users.noreply.github.com</code> by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1707">actions/checkout#1707</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/actions/checkout/compare/v4.1.4...v4.1.5">https://github.com/actions/checkout/compare/v4.1.4...v4.1.5</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/actions/checkout/blob/main/CHANGELOG.md">actions/checkout's changelog</a>.</em></p>
<blockquote>
<h1>Changelog</h1>
<h2>v4.1.6</h2>
<ul>
<li>Check platform to set archive extension appropriately by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1732">actions/checkout#1732</a></li>
</ul>
<h2>v4.1.5</h2>
<ul>
<li>Update NPM dependencies by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1703">actions/checkout#1703</a></li>
<li>Bump github/codeql-action from 2 to 3 by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1694">actions/checkout#1694</a></li>
<li>Bump actions/setup-node from 1 to 4 by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1696">actions/checkout#1696</a></li>
<li>Bump actions/upload-artifact from 2 to 4 by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1695">actions/checkout#1695</a></li>
<li>README: Suggest <code>user.email</code> to be <code>41898282+github-actions[bot]@users.noreply.github.com</code> by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1707">actions/checkout#1707</a></li>
</ul>
<h2>v4.1.4</h2>
<ul>
<li>Disable <code>extensions.worktreeConfig</code> when disabling <code>sparse-checkout</code> by <a href="https://github.com/jww3"><code>@​jww3</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1692">actions/checkout#1692</a></li>
<li>Add dependabot config by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1688">actions/checkout#1688</a></li>
<li>Bump the minor-actions-dependencies group with 2 updates by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1693">actions/checkout#1693</a></li>
<li>Bump word-wrap from 1.2.3 to 1.2.5 by <a href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1643">actions/checkout#1643</a></li>
</ul>
<h2>v4.1.3</h2>
<ul>
<li>Check git version before attempting to disable <code>sparse-checkout</code> by <a href="https://github.com/jww3"><code>@​jww3</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1656">actions/checkout#1656</a></li>
<li>Add SSH user parameter by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1685">actions/checkout#1685</a></li>
<li>Update <code>actions/checkout</code> version in <code>update-main-version.yml</code> by <a href="https://github.com/jww3"><code>@​jww3</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1650">actions/checkout#1650</a></li>
</ul>
<h2>v4.1.2</h2>
<ul>
<li>Fix: Disable sparse checkout whenever <code>sparse-checkout</code> option is not present <a href="https://github.com/dscho"><code>@​dscho</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1598">actions/checkout#1598</a></li>
</ul>
<h2>v4.1.1</h2>
<ul>
<li>Correct link to GitHub Docs by <a href="https://github.com/peterbe"><code>@​peterbe</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1511">actions/checkout#1511</a></li>
<li>Link to release page from what's new section by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://redirect.github.com/actions/checkout/pull/1514">actions/checkout#1514</a></li>
</ul>
<h2>v4.1.0</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1396">Add support for partial checkout filters</a></li>
</ul>
<h2>v4.0.0</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1067">Support fetching without the --progress option</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/1436">Update to node20</a></li>
</ul>
<h2>v3.6.0</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1377">Fix: Mark test scripts with Bash'isms to be run via Bash</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/579">Add option to fetch tags even if fetch-depth &gt; 0</a></li>
</ul>
<h2>v3.5.3</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1196">Fix: Checkout fail in self-hosted runners when faulty submodule are checked-in</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/1287">Fix typos found by codespell</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/1369">Add support for sparse checkouts</a></li>
</ul>
<h2>v3.5.2</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1289">Fix api endpoint for GHES</a></li>
</ul>
<h2>v3.5.1</h2>
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/actions/checkout/commit/a5ac7e51b41094c92402da3b24376905380afc29"><code>a5ac7e5</code></a> Update for 4.1.6 release (<a href="https://redirect.github.com/actions/checkout/issues/1733">#1733</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/24ed1a352802348c9e4e8d13de9177fb95b537ba"><code>24ed1a3</code></a> Check platform for extension (<a href="https://redirect.github.com/actions/checkout/issues/1732">#1732</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/44c2b7a8a4ea60a981eaca3cf939b5f4305c123b"><code>44c2b7a</code></a> README: Suggest <code>user.email</code> to be `41898282+github-actions[bot]<a href="https://github.com/users"><code>@​users</code></a>.norepl...</li>
<li><a href="https://github.com/actions/checkout/commit/8459bc0c7e3759cdf591f513d9f141a95fef0a8f"><code>8459bc0</code></a> Bump actions/upload-artifact from 2 to 4 (<a href="https://redirect.github.com/actions/checkout/issues/1695">#1695</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/3f603f6d5e9f40714f97b2f017aa0df2a443192a"><code>3f603f6</code></a> Bump actions/setup-node from 1 to 4 (<a href="https://redirect.github.com/actions/checkout/issues/1696">#1696</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/fd084cde189b7b76ec305d52e27be545a0172823"><code>fd084cd</code></a> Bump github/codeql-action from 2 to 3 (<a href="https://redirect.github.com/actions/checkout/issues/1694">#1694</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/9c1e94e0ad997d618b6113a2171b055037589028"><code>9c1e94e</code></a> Update NPM dependencies (<a href="https://redirect.github.com/actions/checkout/issues/1703">#1703</a>)</li>
<li>See full diff in <a href="https://github.com/actions/checkout/compare/0ad4b8fadaa221de15dcec353f45205ec38ea70b...a5ac7e51b41094c92402da3b24376905380afc29">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=actions/checkout&package-manager=github_actions&previous-version=4.1.4&new-version=4.1.6)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

</details>
diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index fe665d7..4bbb22c 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -20,7 +20,7 @@
     steps:
       # These are the latest versions of the github actions; dependabot will
       # send PRs to keep these up-to-date.
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
 
       - name: Install dependencies