…roup (#869)

Bumps the github-actions group with 1 update: [dart-lang/setup-dart](https://github.com/dart-lang/setup-dart).

Updates `dart-lang/setup-dart` from 1.7.0 to 1.7.1
<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>v1.7.1</h2>
<ul>
<li>Roll <code>undici</code> dependency to address <a href="https://github.com/nodejs/undici/security/advisories/GHSA-c76h-2ccp-4975">CVE-2025-22150</a>.</li>
<li>Update to the latest npm dependencies.</li>
<li>Recompile the action using the new Dart / JavaScript interop.</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>v1.7.1</h2>
<ul>
<li>Roll <code>undici</code> dependency to address <a href="https://github.com/nodejs/undici/security/advisories/GHSA-c76h-2ccp-4975">CVE-2025-22150</a>.</li>
<li>Update to the latest npm dependencies.</li>
<li>Recompile the action using the new Dart / JavaScript interop.</li>
</ul>
<h2>v1.7.0</h2>
<ul>
<li>
<p>Install flutter sdk in publishing step, allowing Flutter packages to be
published (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/68">#68</a>[])</p>
<p><a href="https://redirect.github.com/dart-lang/setup-dart/issues/68">#68</a>: <a href="https://redirect.github.com/dart-lang/setup-dart/issues/68">dart-lang/setup-dart#68</a></p>
</li>
</ul>
<h2>v1.6.5</h2>
<ul>
<li>Fix zip path handling on Windows 11 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/118">#118</a>[])</li>
</ul>
<p><a href="https://redirect.github.com/dart-lang/setup-dart/issues/118">#118</a>: <a href="https://redirect.github.com/dart-lang/setup-dart/issues/118">dart-lang/setup-dart#118</a></p>
<h2>v1.6.4</h2>
<ul>
<li>Rebuild JS code.</li>
</ul>
<h2>v1.6.3</h2>
<ul>
<li>Roll <code>undici</code> dependency to address <a href="https://github.com/nodejs/undici/security/advisories/GHSA-m4v8-wqvr-p9f7">CVE-2024-30260</a> and <a href="https://github.com/nodejs/undici/security/advisories/GHSA-9qxr-qj54-h672">CVE-2024-30261</a>.</li>
</ul>
<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>
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/dart-lang/setup-dart/commit/e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c"><code>e51d8e5</code></a> prep for releasing 1.7.1 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/150">#150</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/1faf8e64e5464d6b727016aa2467794f7dc410fb"><code>1faf8e6</code></a> updates to move away from dart:js_util (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/148">#148</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/614cb8d798824d682e7086a5d8b14e588723bc5c"><code>614cb8d</code></a> Bump flutter-actions/setup-flutter in the github-actions group (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/146">#146</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/55f49ad7b2b8b71f3043f80dc4cd4e0eca4aa90b"><code>55f49ad</code></a> Bump undici from 5.28.4 to 5.28.5 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/149">#149</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/2c0db8f5ec902ee2420de88e6ece2f275d1f26f1"><code>2c0db8f</code></a> Bump <code>@​actions/tool-cache</code> from 2.0.1 to 2.0.2 (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/147">#147</a>)</li>
<li><a href="https://github.com/dart-lang/setup-dart/commit/6123db65aca0aa1e30809215875310f1ca706148"><code>6123db6</code></a> Bump dart-lang/setup-dart in the github-actions group (<a href="https://redirect.github.com/dart-lang/setup-dart/issues/145">#145</a>)</li>
<li>See full diff in <a href="https://github.com/dart-lang/setup-dart/compare/e630b99d28a3b71860378cafdc2a067c71107f94...e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c">compare view</a></li>
</ul>
</details>
<br />

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</details>