Bump dart-lang/setup-dart from 1.6.0 to 1.6.2 (#99)

Bumps [dart-lang/setup-dart](https://github.com/dart-lang/setup-dart) from 1.6.0 to 1.6.2.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/dart-lang/setup-dart/releases">dart-lang/setup-dart's releases</a>.</em></p>
<blockquote>
<h2>v1.6.2</h2>
<ul>
<li>Switch to running the workflow on <code>node20</code> from <code>node16</code>. See also <a href="https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/">Transitioning from Node 16 to Node 20</a>.</li>
</ul>
<h2>v1.6.1</h2>
<ul>
<li>Updated the google storage url for <code>main</code> channel releases.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/dart-lang/setup-dart/blob/main/CHANGELOG.md">dart-lang/setup-dart's changelog</a>.</em></p>
<blockquote>
<h2>v1.6.2</h2>
<ul>
<li>Switch to running the workflow on <code>node20`` from </code>node16`. See also
<a href="https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/">Transitioning from Node 16 to Node 20</a>.</li>
</ul>
<h2>v1.6.1</h2>
<ul>
<li>Updated the google storage url for <code>main</code> channel releases.</li>
</ul>
<h2>v1.6.0</h2>
<ul>
<li>Enable provisioning of the latest Dart SDK patch release by specifying just
the major and minor version (e.g. <code>3.2</code>).</li>
</ul>
<h2>v1.5.1</h2>
<ul>
<li>No longer test the <code>setup-dart</code> action on pre-2.12 SDKs.</li>
<li>Upgrade JS interop code to use extension types
(the new name for inline classes).</li>
<li>The upcoming rename of the <code>be</code> channel to <code>main</code> is now supported with
forward compatibility that switches when the rename happens.</li>
</ul>
<h2>v1.5.0</h2>
<ul>
<li>Re-wrote the implementation of the action into Dart.</li>
<li>Auto-detect the platform architecture (<code>x64</code>, <code>ia32</code>, <code>arm</code>, <code>arm64</code>).</li>
<li>Improved the caching and download resilience of the sdk.</li>
<li>Added a new action output: <code>dart-version</code> - the installed version of the sdk.</li>
</ul>
<h2>v1.4.0</h2>
<ul>
<li>Automatically create OIDC token for pub.dev.</li>
<li>Add a reusable workflow for publishing.</li>
</ul>
<h2>v1.3.0</h2>
<ul>
<li>The install location of the Dart SDK is now available
in an environment variable, <code>DART_HOME</code>
(<a href="https://redirect.github.com/dart-lang/setup-dart/issues/43">#43</a>).</li>
<li>Fixed an issue where cached downloads could lead to unzip issues
on self-hosted runners
(<a href="https://redirect.github.com/dart-lang/setup-dart/issues/35">#35</a>).</li>
</ul>
<h2>v1.2.0</h2>
<ul>
<li>Fixed a path issue impacting git dependencies on Windows.</li>
</ul>
<h2>v1.1.0</h2>
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/dart-lang/setup-dart/commit/fedb1266e91cf51be2fdb382869461a434b920a3"><code>fedb126</code></a> switch to using node20 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/122">#122</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/ca7e6fee45ffbd82b555a7ebfc236d2c86439f5b"><code>ca7e6fe</code></a> update the changelog; prep to release 1.6.1 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/120">#120</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/c1b2cdbfafc77480d10fe0246ef4dd2f83a9e7b7"><code>c1b2cdb</code></a> Clean up after renaming the be channel to main. (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/115">#115</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/49b0b8e0a88f72a8fdf1319a41cc261cec63c3c7"><code>49b0b8e</code></a> Bump actions/checkout from 3 to 4 in README.md (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/117">#117</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/7f54cd0cee53e120db0d1fce4196b7772ebd6f6e"><code>7f54cd0</code></a> Bump <code>@​actions/http-client</code> from 2.1.1 to 2.2.0 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/112">#112</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/6e2fe379bd3c8a39facc503f4494396e0de36f13"><code>6e2fe37</code></a> Bump dart-lang/setup-dart from 1.5.1 to 1.6.0 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/113">#113</a>)</li>
<li>See full diff in <a href="https://github.com/dart-lang/setup-dart/compare/b64355ae6ca0b5d484f0106a033dd1388965d06d...fedb1266e91cf51be2fdb382869461a434b920a3">compare view</a></li>
</ul>
</details>
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</details>
diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index 8a8eb2d..18edae7 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -23,7 +23,7 @@
         sdk: [dev]
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
         with:
           sdk: ${{ matrix.sdk }}
       - id: install
@@ -50,7 +50,7 @@
         sdk: [3.2, dev]
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
         with:
           sdk: ${{ matrix.sdk }}
       - id: install