Bump subosito/flutter-action from 2.21.0 to 2.23.0 (#281)

Bumps [subosito/flutter-action](https://github.com/subosito/flutter-action) from 2.21.0 to 2.23.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/subosito/flutter-action/releases">subosito/flutter-action's releases</a>.</em></p>
<blockquote>
<h2>v2.23.0</h2>
<h2>What's Changed</h2>
<ul>
<li>feat: fvm support by <a href="https://github.com/pedroafmonteiro"><code>@​pedroafmonteiro</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/383">subosito/flutter-action#383</a></li>
<li>Add separate pub-cache boolean flag by <a href="https://github.com/kuhnroyal"><code>@​kuhnroyal</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/377">subosito/flutter-action#377</a></li>
<li>chores by <a href="https://github.com/bartekpacia"><code>@​bartekpacia</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/390">subosito/flutter-action#390</a></li>
<li>add a CI job that checks out a specific master commit by <a href="https://github.com/bartekpacia"><code>@​bartekpacia</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/391">subosito/flutter-action#391</a></li>
<li>readme: minor updates by <a href="https://github.com/bartekpacia"><code>@​bartekpacia</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/392">subosito/flutter-action#392</a></li>
<li>Simplify extraction of zip files by <a href="https://github.com/kuhnroyal"><code>@​kuhnroyal</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/379">subosito/flutter-action#379</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/pedroafmonteiro"><code>@​pedroafmonteiro</code></a> made their first contribution in <a href="https://redirect.github.com/subosito/flutter-action/pull/383">subosito/flutter-action#383</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/subosito/flutter-action/compare/v2...v2.23.0">https://github.com/subosito/flutter-action/compare/v2...v2.23.0</a></p>
<h2>v2.22.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Upgrade actions/cache to v5 by <a href="https://github.com/Azincc"><code>@​Azincc</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/385">subosito/flutter-action#385</a></li>
<li>Remove macos-13 (Intel) runner from CI by <a href="https://github.com/bartekpacia"><code>@​bartekpacia</code></a> in <a href="https://redirect.github.com/subosito/flutter-action/pull/388">subosito/flutter-action#388</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/Azincc"><code>@​Azincc</code></a> made their first contribution in <a href="https://redirect.github.com/subosito/flutter-action/pull/385">subosito/flutter-action#385</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/subosito/flutter-action/compare/v2...v2.22.0">https://github.com/subosito/flutter-action/compare/v2...v2.22.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/subosito/flutter-action/commit/1a449444c387b1966244ae4d4f8c696479add0b2"><code>1a44944</code></a> Simplify extraction of zip files (<a href="https://redirect.github.com/subosito/flutter-action/issues/379">#379</a>)</li>
<li><a href="https://github.com/subosito/flutter-action/commit/4efee115f1f8f612aafcb187ee16db202d7e4376"><code>4efee11</code></a> readme: minor updates (<a href="https://redirect.github.com/subosito/flutter-action/issues/392">#392</a>)</li>
<li><a href="https://github.com/subosito/flutter-action/commit/d97c38e97db7a24bc6d2e3f8fb2cda7c88af10d9"><code>d97c38e</code></a> add a CI job that checks out a specific master commit (<a href="https://redirect.github.com/subosito/flutter-action/issues/391">#391</a>)</li>
<li><a href="https://github.com/subosito/flutter-action/commit/75b905c640a294aa31848f7ce354543c0e1bdf88"><code>75b905c</code></a> chores (<a href="https://redirect.github.com/subosito/flutter-action/issues/390">#390</a>)</li>
<li><a href="https://github.com/subosito/flutter-action/commit/7ff07e9ecd05af9a026fc24436c812d388c5b311"><code>7ff07e9</code></a> Add separate pub-cache boolean flag (<a href="https://redirect.github.com/subosito/flutter-action/issues/377">#377</a>)</li>
<li><a href="https://github.com/subosito/flutter-action/commit/6622f58c447610e884866ffcba3ac6dff23b1039"><code>6622f58</code></a> feat: fvm support (<a href="https://redirect.github.com/subosito/flutter-action/issues/383">#383</a>)</li>
<li><a href="https://github.com/subosito/flutter-action/commit/0ca7a949e71ae44c8e688a51c5e7e93b2c87e295"><code>0ca7a94</code></a> Remove macos-13 (Intel) runner from CI (<a href="https://redirect.github.com/subosito/flutter-action/issues/388">#388</a>)</li>
<li><a href="https://github.com/subosito/flutter-action/commit/de04a6aaec1a4d0463314bfaf28dc03c1510d584"><code>de04a6a</code></a> Upgrade actions/cache to v5 (<a href="https://redirect.github.com/subosito/flutter-action/issues/385">#385</a>)</li>
<li>See full diff in <a href="https://github.com/subosito/flutter-action/compare/fd55f4c5af5b953cc57a2be44cb082c8f6635e8e...1a449444c387b1966244ae4d4f8c696479add0b2">compare view</a></li>
</ul>
</details>
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