Bump actions/checkout from 4.2.0 to 4.2.1 (#152)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.0
to 4.2.1.
<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>v4.2.1</h2>
<h2>What's Changed</h2>
<ul>
<li>Check out other refs/* by commit if provided, fall back to ref by <a
href="https://github.com/orhantoy"><code>@​orhantoy</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1924">actions/checkout#1924</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/Jcambass"><code>@​Jcambass</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1919">actions/checkout#1919</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/checkout/compare/v4.2.0...v4.2.1">https://github.com/actions/checkout/compare/v4.2.0...v4.2.1</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>
<h2>v4.2.1</h2>
<ul>
<li>Check out other refs/* by commit if provided, fall back to ref by <a
href="https://github.com/orhantoy"><code>@​orhantoy</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1924">actions/checkout#1924</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/actions/checkout/commit/eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871"><code>eef6144</code></a>
Prepare 4.2.1 release (<a
href="https://redirect.github.com/actions/checkout/issues/1925">#1925</a>)</li>
<li><a
href="https://github.com/actions/checkout/commit/6b42224f41ee5dfe5395e27c8b2746f1f9955030"><code>6b42224</code></a>
Add workflow file for publishing releases to immutable action package
(<a
href="https://redirect.github.com/actions/checkout/issues/1919">#1919</a>)</li>
<li><a
href="https://github.com/actions/checkout/commit/de5a000abf73b6f4965bd1bcdf8f8d94a56ea815"><code>de5a000</code></a>
Check out other refs/* by commit if provided, fall back to ref (<a
href="https://redirect.github.com/actions/checkout/issues/1924">#1924</a>)</li>
<li>See full diff in <a
href="https://github.com/actions/checkout/compare/v4.2.0...v4.2.1">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=4.2.0&new-version=4.2.1)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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</details>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/acceptance.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: larger
     steps:
       - name: Checkout Code
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
 
       - name: Unshallow
         run: git fetch --prune --unshallow

.github/workflows/downstreams.yml

@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
         with:
           fetch-depth: 0
 

.github/workflows/no-cheat.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
         with:
           fetch-depth: 0
 

.github/workflows/push.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
 
       - name: Install Python
         uses: actions/setup-python@v5
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
 
       - name: Install hatch
         run: pip install hatch==$HATCH_VERSION

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       # Used to attach signing artifacts to the published release.
       contents: write
     steps:
-      - uses: actions/[email protected].0
+      - uses: actions/[email protected].1
 
       - uses: actions/setup-python@v5
         with: