Bump virtualenv from 21.7.0 to 21.7.1 (aio-libs#13314)

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 21.7.0 to
21.7.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/pypa/virtualenv/releases">virtualenv's
releases</a>.</em></p>
<blockquote>
<h2>21.7.1</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li>📝 docs(branding): clarify official logo vs favicon by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3200">pypa/virtualenv#3200</a></li>
<li>Upgrade embedded pip/setuptools/wheel by <a
href="https://github.com/github-actions"><code>@​github-actions</code></a>[bot]
in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3201">pypa/virtualenv#3201</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/pypa/virtualenv/compare/21.7.0...21.7.1">https://github.com/pypa/virtualenv/compare/21.7.0...21.7.1</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst">virtualenv's
changelog</a>.</em></p>
<blockquote>
<h1>Bugfixes - 21.7.1</h1>
<ul>
<li>
<p>Upgrade embedded wheels:</p>
<ul>
<li>pip to <code>26.2</code> from <code>26.1.2</code>
(:issue:<code>u</code>)</li>
</ul>
</li>
</ul>
<h1>Improved Documentation - 21.7.1</h1>
<ul>
<li>Document that <code>virtualenv.png</code> is the official logo and
<code>virtualenv.svg</code> is a simplified favicon-only mark - by
:user:<code>gaborbernat</code>. (:issue:<code>3199</code>)</li>
</ul>
<hr />
<p>v21.7.0 (2026-07-21)</p>
<hr />
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pypa/virtualenv/commit/e46c8e94d63b4214da3c24e1bc4febcfbfee7395"><code>e46c8e9</code></a>
release 21.7.1</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/b66560a65d38d2ea7fe29829685b86a8d55146b5"><code>b66560a</code></a>
Upgrade embedded pip/setuptools/wheel (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3201">#3201</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/bf5f5206ec83e7536068e6f9525f8c8a9cda69ab"><code>bf5f520</code></a>
📝 docs(branding): clarify official logo vs favicon (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3200">#3200</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/8507c7b0a0210eaa67c5c81d4d081d7c49fa679f"><code>8507c7b</code></a>
[pre-commit.ci] pre-commit autoupdate (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3197">#3197</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/694406aeafe8a16011e6c04bb7728d1cd531df12"><code>694406a</code></a>
chore(deps): bump astral-sh/setup-uv from 8.3.2 to 9.0.0 (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3198">#3198</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/b486255413664ba1e7e264a7807e361feda5367b"><code>b486255</code></a>
chore(deps): bump pypa/gh-action-pypi-publish from 1.14.0 to 1.14.1 (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3196">#3196</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/ac2ad97d67d2ecd6ceaaffde99586d98b7cfc8ea"><code>ac2ad97</code></a>
chore(deps): bump actions/setup-python from 6.3.0 to 7.0.0 (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3195">#3195</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/df94b342b732f96859595104bebbcfa74a88616b"><code>df94b34</code></a>
chore(deps): bump actions/checkout from 7.0.0 to 7.0.1 (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3194">#3194</a>)</li>
<li>See full diff in <a
href="https://github.com/pypa/virtualenv/compare/21.7.0...21.7.1">compare
view</a></li>
</ul>
</details>
<br />

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

Author: dependabot[bot]

requirements/constraints.txt

@@ -333,7 +333,7 @@ uvloop==0.22.1 ; platform_system != "Windows"
     #   -r requirements/lint.in
 valkey==6.1.1
     # via -r requirements/lint.in
-virtualenv==21.7.0
+virtualenv==21.7.1
     # via pre-commit
 wheel==0.47.0
     # via pip-tools

requirements/dev.txt

@@ -323,7 +323,7 @@ uvloop==0.22.1 ; platform_system != "Windows" and implementation_name == "cpytho
     #   -r requirements/lint.in
 valkey==6.1.1
     # via -r requirements/lint.in
-virtualenv==21.7.0
+virtualenv==21.7.1
     # via pre-commit
 wheel==0.47.0
     # via pip-tools

requirements/lint.txt

@@ -166,7 +166,7 @@ uvloop==0.22.1 ; platform_system != "Windows"
     # via -r requirements/lint.in
 valkey==6.1.1
     # via -r requirements/lint.in
-virtualenv==21.7.0
+virtualenv==21.7.1
     # via pre-commit
 yarl==1.24.5
     # via aiohttp