Bump actions/setup-python from 4.6.0 to 4.6.1 (flutter/engine#42395)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4.6.0 to 4.6.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/actions/setup-python/releases">actions/setup-python's releases</a>.</em></p>
<blockquote>
<h2>v4.6.1</h2>
<h2>What's Changed</h2>
<ul>
<li>Fix <code>allow-prereleases</code> sample configuration by <a href="https://github.com/mayeut"><code>@​mayeut</code></a> in <a href="https://redirect.github.com/actions/setup-python/pull/615">actions/setup-python#615</a></li>
<li>Fix a incorrect link advanced-usage.md by <a href="https://github.com/siyuan0322"><code>@​siyuan0322</code></a> in <a href="https://redirect.github.com/actions/setup-python/pull/657">actions/setup-python#657</a></li>
<li>Remove implicit dependency by <a href="https://github.com/nikolai-laevskii"><code>@​nikolai-laevskii</code></a> in <a href="https://redirect.github.com/actions/setup-python/pull/668">actions/setup-python#668</a></li>
<li>Automatic update of configuration files from 05/23/2023 by <a href="https://github.com/github-actions"><code>@​github-actions</code></a> in <a href="https://redirect.github.com/actions/setup-python/pull/671">actions/setup-python#671</a></li>
<li>Add warning for python 2.7 on release/v4 by <a href="https://github.com/dmitry-shibanov"><code>@​dmitry-shibanov</code></a> in <a href="https://redirect.github.com/actions/setup-python/pull/673">actions/setup-python#673</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/siyuan0322"><code>@​siyuan0322</code></a> made their first contribution in <a href="https://redirect.github.com/actions/setup-python/pull/657">actions/setup-python#657</a></li>
<li><a href="https://github.com/nikolai-laevskii"><code>@​nikolai-laevskii</code></a> made their first contribution in <a href="https://redirect.github.com/actions/setup-python/pull/668">actions/setup-python#668</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/actions/setup-python/compare/v4...v4.6.1">https://github.com/actions/setup-python/compare/v4...v4.6.1</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="bd6b4b6205"><code>bd6b4b6</code></a> Add warning for python 2.7 (<a href="https://redirect.github.com/actions/setup-python/issues/673">#673</a>)</li>
<li><a href="0cbcb9a3d7"><code>0cbcb9a</code></a> Merge pull request <a href="https://redirect.github.com/actions/setup-python/issues/668">#668</a> from akv-platform/disallow-implicit-dependencies</li>
<li><a href="669664dac1"><code>669664d</code></a> Merge branch 'tool-config-auto-update' into disallow-implicit-dependencies</li>
<li><a href="9cbf792a3c"><code>9cbf792</code></a> Update configuration files</li>
<li><a href="e732e40717"><code>e732e40</code></a> Update licenses</li>
<li><a href="a0d867bfa9"><code>a0d867b</code></a> Change http-client dependency to one matching previous version</li>
<li><a href="d99bed8b21"><code>d99bed8</code></a> Update license</li>
<li><a href="f71253fee3"><code>f71253f</code></a> Change to <code>@​action/http-client</code> version to the one that was used in the most re...</li>
<li><a href="b51c97f6e3"><code>b51c97f</code></a> Add eslint rule for disallowing implicit dependencies</li>
<li><a href="db9987b4c1"><code>db9987b</code></a> Fix a incorrect link advanced-usage.md (<a href="https://redirect.github.com/actions/setup-python/issues/657">#657</a>)</li>
<li>Additional commits viewable in <a href="57ded4d7d5...bd6b4b6205">compare view</a></li>
</ul>
</details>
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engine/src/flutter/.github/workflows/third_party_scan.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           persist-credentials: false
       - name: "setup python"
-        uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b
+        uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0
         with:
           python-version: '3.7.7' # install the python version needed
       - name: "extract and flatten deps"