Bump actions/checkout from 3 to 4 (#14)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to
4.
<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>v4.0.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Update default runtime to node20 by <a
href="https://github.com/takost"><code>@​takost</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1436">actions/checkout#1436</a></li>
<li>Support fetching without the --progress option by <a
href="https://github.com/simonbaird"><code>@​simonbaird</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1067">actions/checkout#1067</a></li>
<li>Release 4.0.0 by <a
href="https://github.com/takost"><code>@​takost</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1447">actions/checkout#1447</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/takost"><code>@​takost</code></a> made
their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1436">actions/checkout#1436</a></li>
<li><a
href="https://github.com/simonbaird"><code>@​simonbaird</code></a> made
their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1067">actions/checkout#1067</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/checkout/compare/v3...v4.0.0">https://github.com/actions/checkout/compare/v3...v4.0.0</a></p>
<h2>v3.6.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Mark test scripts with Bash'isms to be run via Bash by <a
href="https://github.com/dscho"><code>@​dscho</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1377">actions/checkout#1377</a></li>
<li>Add option to fetch tags even if fetch-depth &gt; 0 by <a
href="https://github.com/RobertWieczoreck"><code>@​RobertWieczoreck</code></a>
in <a
href="https://redirect.github.com/actions/checkout/pull/579">actions/checkout#579</a></li>
<li>Release 3.6.0 by <a
href="https://github.com/luketomlinson"><code>@​luketomlinson</code></a>
in <a
href="https://redirect.github.com/actions/checkout/pull/1437">actions/checkout#1437</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/RobertWieczoreck"><code>@​RobertWieczoreck</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/579">actions/checkout#579</a></li>
<li><a
href="https://github.com/luketomlinson"><code>@​luketomlinson</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1437">actions/checkout#1437</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/checkout/compare/v3.5.3...v3.6.0">https://github.com/actions/checkout/compare/v3.5.3...v3.6.0</a></p>
<h2>v3.5.3</h2>
<h2>What's Changed</h2>
<ul>
<li>Fix: Checkout Issue in self hosted runner due to faulty submodule
check-ins by <a
href="https://github.com/megamanics"><code>@​megamanics</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1196">actions/checkout#1196</a></li>
<li>Fix typos found by codespell by <a
href="https://github.com/DimitriPapadopoulos"><code>@​DimitriPapadopoulos</code></a>
in <a
href="https://redirect.github.com/actions/checkout/pull/1287">actions/checkout#1287</a></li>
<li>Add support for sparse checkouts by <a
href="https://github.com/dscho"><code>@​dscho</code></a> and <a
href="https://github.com/dfdez"><code>@​dfdez</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1369">actions/checkout#1369</a></li>
<li>Release v3.5.3 by <a
href="https://github.com/TingluoHuang"><code>@​TingluoHuang</code></a>
in <a
href="https://redirect.github.com/actions/checkout/pull/1376">actions/checkout#1376</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/megamanics"><code>@​megamanics</code></a> made
their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1196">actions/checkout#1196</a></li>
<li><a
href="https://github.com/DimitriPapadopoulos"><code>@​DimitriPapadopoulos</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1287">actions/checkout#1287</a></li>
<li><a href="https://github.com/dfdez"><code>@​dfdez</code></a> made
their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1369">actions/checkout#1369</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/checkout/compare/v3...v3.5.3">https://github.com/actions/checkout/compare/v3...v3.5.3</a></p>
<h2>v3.5.2</h2>
<h2>What's Changed</h2>
<ul>
<li>Fix: Use correct API url / endpoint in GHES by <a
href="https://github.com/fhammerl"><code>@​fhammerl</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1289">actions/checkout#1289</a>
based on <a
href="https://redirect.github.com/actions/checkout/issues/1286">#1286</a>
by <a href="https://github.com/1newsr"><code>@​1newsr</code></a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/checkout/compare/v3.5.1...v3.5.2">https://github.com/actions/checkout/compare/v3.5.1...v3.5.2</a></p>
<h2>v3.5.1</h2>
<h2>What's Changed</h2>
<ul>
<li>Improve checkout performance on Windows runners by upgrading
<code>@​actions/github</code> dependency by <a
href="https://github.com/BrettDong"><code>@​BrettDong</code></a> in <a
href="https://redirect.github.com/actions/checkout/pull/1246">actions/checkout#1246</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/BrettDong"><code>@​BrettDong</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/checkout/pull/1246">actions/checkout#1246</a></li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</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>
<h1>Changelog</h1>
<h2>v4.1.0</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1396">Add
support for partial checkout filters</a></li>
</ul>
<h2>v4.0.0</h2>
<ul>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1067">Support
fetching without the --progress option</a></li>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1436">Update to
node20</a></li>
</ul>
<h2>v3.6.0</h2>
<ul>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1377">Fix: Mark
test scripts with Bash'isms to be run via Bash</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/579">Add
option to fetch tags even if fetch-depth &gt; 0</a></li>
</ul>
<h2>v3.5.3</h2>
<ul>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1196">Fix:
Checkout fail in self-hosted runners when faulty submodule are
checked-in</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/1287">Fix
typos found by codespell</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/1369">Add
support for sparse checkouts</a></li>
</ul>
<h2>v3.5.2</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1289">Fix
api endpoint for GHES</a></li>
</ul>
<h2>v3.5.1</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1246">Fix
slow checkout on Windows</a></li>
</ul>
<h2>v3.5.0</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/1237">Add
new public key for known_hosts</a></li>
</ul>
<h2>v3.4.0</h2>
<ul>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1209">Upgrade
codeql actions to v2</a></li>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1210">Upgrade
dependencies</a></li>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1225">Upgrade
<code>@​actions/io</code></a></li>
</ul>
<h2>v3.3.0</h2>
<ul>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1045">Implement
branch list using callbacks from exec function</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/1050">Add
in explicit reference to private checkout options</a></li>
<li>[Fix comment typos (that got added in <a
href="https://redirect.github.com/actions/checkout/issues/770">#770</a>)](<a
href="https://redirect.github.com/actions/checkout/pull/1057">actions/checkout#1057</a>)</li>
</ul>
<h2>v3.2.0</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/942">Add
GitHub Action to perform release</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/967">Fix
status badge</a></li>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1002">Replace
datadog/squid with ubuntu/squid Docker image</a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/964">Wrap
pipeline commands for submoduleForeach in quotes</a></li>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1029">Update
<code>@​actions/io</code> to 1.1.2</a></li>
<li><a
href="https://redirect.github.com/actions/checkout/pull/1039">Upgrading
version to 3.2.0</a></li>
</ul>
<h2>v3.1.0</h2>
<ul>
<li><a href="https://redirect.github.com/actions/checkout/pull/939">Use
<code>@​actions/core</code> <code>saveState</code> and
<code>getState</code></a></li>
<li><a href="https://redirect.github.com/actions/checkout/pull/922">Add
<code>github-server-url</code> input</a></li>
</ul>
<h2>v3.0.2</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/actions/checkout/commit/8ade135a41bc03ea155e62e844d188df1ea18608"><code>8ade135</code></a>
Prepare 4.1.0 release (<a
href="https://redirect.github.com/actions/checkout/issues/1496">#1496</a>)</li>
<li><a
href="https://github.com/actions/checkout/commit/c533a0a4cfc4962971818edcfac47a2899e69799"><code>c533a0a</code></a>
Add support for partial checkout filters (<a
href="https://redirect.github.com/actions/checkout/issues/1396">#1396</a>)</li>
<li><a
href="https://github.com/actions/checkout/commit/72f2cec99f417b1a1c5e2e88945068983b7965f9"><code>72f2cec</code></a>
Update README.md for V4 (<a
href="https://redirect.github.com/actions/checkout/issues/1452">#1452</a>)</li>
<li><a
href="https://github.com/actions/checkout/commit/3df4ab11eba7bda6032a0b82a6bb43b11571feac"><code>3df4ab1</code></a>
Release 4.0.0 (<a
href="https://redirect.github.com/actions/checkout/issues/1447">#1447</a>)</li>
<li><a
href="https://github.com/actions/checkout/commit/8b5e8b768746b50394015010d25e690bfab9dfbc"><code>8b5e8b7</code></a>
Support fetching without the --progress option (<a
href="https://redirect.github.com/actions/checkout/issues/1067">#1067</a>)</li>
<li><a
href="https://github.com/actions/checkout/commit/97a652b80035363df47baee5031ec8670b8878ac"><code>97a652b</code></a>
Update default runtime to node20 (<a
href="https://redirect.github.com/actions/checkout/issues/1436">#1436</a>)</li>
<li>See full diff in <a
href="https://github.com/actions/checkout/compare/v3...v4">compare
view</a></li>
</ul>
</details>
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.github/workflows/ci.yml

@@ -60,12 +60,12 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: shellcheck bin/* lib/*
 
   shfmt:
     runs-on: ubuntu-latest
     steps:
       - uses: mfinelli/setup-shfmt@v3
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: shfmt --diff .