Bump actions/checkout from 4.1.4 to 4.1.5 in the github-actions group (#3784)

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

Updates `actions/checkout` from 4.1.4 to 4.1.5
<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>v4.1.5</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>Commits</summary>
<ul>
<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...44c2b7a8a4ea60a981eaca3cf939b5f4305c123b">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=4.1.5)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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</details>

Author: dependabot[bot]

.github/workflows/dart.yml

@@ -13,7 +13,7 @@ jobs:
   analyze:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
         with:
             sdk: main
@@ -34,7 +34,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
         with:
             sdk: main

.github/workflows/spec.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
 
       - name: Install latex tools
         run: |