minor #1099 Bump actions/checkout from 2 to 3 (dependabot[bot])

This PR was merged into the 3.9.x-dev branch.

Discussion
----------

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
<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>v3.0.0</h2>
<ul>
<li>Updated to the node16 runtime by default
<ul>
<li>This requires a minimum <a href="https://github.com/actions/runner/releases/tag/v2.285.0">Actions Runner</a> version of v2.285.0 to run, which is by default available in GHES 3.4 or later.</li>
</ul>
</li>
</ul>
<h2>v2.6.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Add backports to v2 branch by <a href="https://github.com/cory-miller"><code>@​cory-miller</code></a> in <a href="https://github-redirect.dependabot.com/actions/checkout/pull/1040">actions/checkout#1040</a>
<ul>
<li>Includes backports from the following changes: <a href="https://github-redirect.dependabot.com/actions/checkout/pull/964">actions/checkout#964</a>, <a href="https://github-redirect.dependabot.com/actions/checkout/pull/1002">actions/checkout#1002</a>, <a href="https://github-redirect.dependabot.com/actions/checkout/pull/1029">actions/checkout#1029</a></li>
<li>Upgraded the licensed version to match what is used in v3.</li>
</ul>
</li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/actions/checkout/compare/v2.5.0...v2.6.0">https://github.com/actions/checkout/compare/v2.5.0...v2.6.0</a></p>
<h2>v2.5.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Update <code>@​actions/core</code> to 1.10.0 by <a href="https://github.com/rentziass"><code>@​rentziass</code></a> in <a href="https://github-redirect.dependabot.com/actions/checkout/pull/962">actions/checkout#962</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/actions/checkout/compare/v2...v2.5.0">https://github.com/actions/checkout/compare/v2...v2.5.0</a></p>
<h2>v2.4.2</h2>
<h2>What's Changed</h2>
<ul>
<li>Add set-safe-directory input to allow customers to take control. (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/770">#770</a>) by <a href="https://github.com/TingluoHuang"><code>@​TingluoHuang</code></a> in <a href="https://github-redirect.dependabot.com/actions/checkout/pull/776">actions/checkout#776</a></li>
<li>Prepare changelog for v2.4.2. by <a href="https://github.com/TingluoHuang"><code>@​TingluoHuang</code></a> in <a href="https://github-redirect.dependabot.com/actions/checkout/pull/778">actions/checkout#778</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/actions/checkout/compare/v2...v2.4.2">https://github.com/actions/checkout/compare/v2...v2.4.2</a></p>
<h2>v2.4.1</h2>
<ul>
<li>Fixed an issue where checkout failed to run in container jobs due to the new git setting <code>safe.directory</code></li>
</ul>
<h2>v2.4.0</h2>
<ul>
<li>Convert SSH URLs like <code>org-&lt;ORG_ID&gt;@github.com:</code> to <code>https://github.com/</code> - <a href="https://github-redirect.dependabot.com/actions/checkout/pull/621">pr</a></li>
</ul>
<h2>v2.3.5</h2>
<p>Update dependencies</p>
<h2>v2.3.4</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/379">Add missing <code>await</code>s</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/360">Swap to Environment Files</a></li>
</ul>
<h2>v2.3.3</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/345">Remove Unneeded commit information from build logs</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/326">Add Licensed to verify third party dependencies</a></li>
</ul>
<h2>v2.3.2</h2>
<p><a href="https://github-redirect.dependabot.com/actions/checkout/pull/320">Add Third Party License Information to Dist Files</a></p>
<h2>v2.3.1</h2>
<p><a href="https://github-redirect.dependabot.com/actions/checkout/pull/284">Fix default branch resolution for .wiki and when using SSH</a></p>
<!-- 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>v3.1.0</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/939">Use <code>@​actions/core</code> <code>saveState</code> and <code>getState</code></a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/922">Add <code>github-server-url</code> input</a></li>
</ul>
<h2>v3.0.2</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/770">Add input <code>set-safe-directory</code></a></li>
</ul>
<h2>v3.0.1</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/762">Fixed an issue where checkout failed to run in container jobs due to the new git setting <code>safe.directory</code></a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/744">Bumped various npm package versions</a></li>
</ul>
<h2>v3.0.0</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/689">Update to node 16</a></li>
</ul>
<h2>v2.3.1</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/284">Fix default branch resolution for .wiki and when using SSH</a></li>
</ul>
<h2>v2.3.0</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/278">Fallback to the default branch</a></li>
</ul>
<h2>v2.2.0</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/258">Fetch all history for all tags and branches when fetch-depth=0</a></li>
</ul>
<h2>v2.1.1</h2>
<ul>
<li>Changes to support GHES (<a href="https://github-redirect.dependabot.com/actions/checkout/pull/236">here</a> and <a href="https://github-redirect.dependabot.com/actions/checkout/pull/248">here</a>)</li>
</ul>
<h2>v2.1.0</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/191">Group output</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/199">Changes to support GHES alpha release</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/184">Persist core.sshCommand for submodules</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/163">Add support ssh</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/179">Convert submodule SSH URL to HTTPS, when not using SSH</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/157">Add submodule support</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/144">Follow proxy settings</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/141">Fix ref for pr closed event when a pr is merged</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/128">Fix issue checking detached when git less than 2.22</a></li>
</ul>
<h2>v2.0.0</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/108">Do not pass cred on command line</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/107">Add input persist-credentials</a></li>
<li><a href="https://github-redirect.dependabot.com/actions/checkout/pull/104">Fallback to REST API to download repo</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/actions/checkout/commit/ac593985615ec2ede58e132d2e21d2b1cbd6127c"><code>ac59398</code></a> Fix comment typos (that got added in <a href="https://github-redirect.dependabot.com/actions/checkout/issues/770">#770</a>) (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/1057">#1057</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/3ba5ee6fac7e0e30e2ea884e236f282d3a775891"><code>3ba5ee6</code></a> Add in explicit reference to private checkout options (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/1050">#1050</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/885641592076c27bfb56c028cd5612cdad63e16d"><code>8856415</code></a> Implement branch list using callbacks from exec function (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/1045">#1045</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/755da8c3cf115ac066823e79a1e1788f8940201b"><code>755da8c</code></a> 3.2.0 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/1039">#1039</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/26d48e8ea150211a9bc3b1f0c20448599687d926"><code>26d48e8</code></a> Update <code>@​actions/io</code> to 1.1.2 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/1029">#1029</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/bf085276cecdb0cc76fbbe0687a5a0e786646936"><code>bf08527</code></a> wrap pipeline commands for submoduleForeach in quotes (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/964">#964</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/5c3ccc22eb2c950a0fa5bc7c47190d8e3f7e681a"><code>5c3ccc2</code></a> Replace datadog/squid with ubuntu/squid Docker image (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/1002">#1002</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/1f9a0c22da41e6ebfa534300ef656657ea2c6707"><code>1f9a0c2</code></a> README - fix status badge (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/967">#967</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/8230315d06ad95c617244d2f265d237a1682d445"><code>8230315</code></a> Add workflow to update a main version (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/942">#942</a>)</li>
<li><a href="https://github.com/actions/checkout/commit/93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8"><code>93ea575</code></a> Prepare release v3.1.0 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/940">#940</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/actions/checkout/compare/v2...v3">compare view</a></li>
</ul>
</details>
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</details>

Commits
-------

782da17 Bump actions/checkout from 2 to 3

.github/workflows/backwards-compatibility.yml

@@ -8,7 +8,7 @@ jobs:
         name: "Roave BC check"
         runs-on: ubuntu-latest
         steps:
-            -   uses: actions/checkout@v2
+            -   uses: actions/checkout@v3
                 with:
                     fetch-depth: 0
 

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
                 php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1']
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v3
 
             - name: Setup PHP
               uses: shivammathur/setup-php@v2
@@ -33,7 +33,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v3
 
             - uses: shivammathur/setup-php@v2
               with: