chore(deps-dev): Bump stylelint from 16.21.0 to 16.21.1 (#1252)

Bumps [stylelint](https://github.com/stylelint/stylelint) from 16.21.0
to 16.21.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/stylelint/stylelint/releases">stylelint's
releases</a>.</em></p>
<blockquote>
<h2>16.21.1</h2>
<p>It fixes 3 bugs.</p>
<ul>
<li>Fixed: unexpected change of syntax in computed <code>EditInfo</code>
(<a
href="https://redirect.github.com/stylelint/stylelint/issues/8638">#8638</a>)
(<a
href="https://github.com/romainmenke"><code>@​romainmenke</code></a>).</li>
<li>Fixed:
<code>function-linear-gradient-no-nonstandard-direction</code> false
positives for CSS variables' names containing a direction substring (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8643">#8643</a>)
(<a
href="https://github.com/Solomon-mithra"><code>@​Solomon-mithra</code></a>).</li>
<li>Fixed: <code>media-feature-range-notation</code> autofix for exact
values (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8651">#8651</a>)
(<a
href="https://github.com/romainmenke"><code>@​romainmenke</code></a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md">stylelint's
changelog</a>.</em></p>
<blockquote>
<h2>16.21.1 - 2025-07-03</h2>
<p>It fixes 3 bugs.</p>
<ul>
<li>Fixed: unexpected change of syntax in computed <code>EditInfo</code>
(<a
href="https://redirect.github.com/stylelint/stylelint/pull/8638">#8638</a>)
(<a
href="https://github.com/romainmenke"><code>@​romainmenke</code></a>).</li>
<li>Fixed:
<code>function-linear-gradient-no-nonstandard-direction</code> false
positives for CSS variables' names containing a direction substring (<a
href="https://redirect.github.com/stylelint/stylelint/pull/8643">#8643</a>)
(<a
href="https://github.com/Solomon-mithra"><code>@​Solomon-mithra</code></a>).</li>
<li>Fixed: <code>media-feature-range-notation</code> autofix for exact
values (<a
href="https://redirect.github.com/stylelint/stylelint/pull/8651">#8651</a>)
(<a
href="https://github.com/romainmenke"><code>@​romainmenke</code></a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="883249a821"><code>883249a</code></a>
16.21.1</li>
<li><a
href="e68ff107da"><code>e68ff10</code></a>
Prepare 16.21.1 (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8640">#8640</a>)</li>
<li><a
href="3ad2c4417e"><code>3ad2c44</code></a>
Fix <code>media-feature-range-notation</code> autofix for exact values
(<a
href="https://redirect.github.com/stylelint/stylelint/issues/8651">#8651</a>)</li>
<li><a
href="58b162dd86"><code>58b162d</code></a>
Document config, plugin and formatter packages on npm (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8650">#8650</a>)</li>
<li><a
href="a0b4a8df19"><code>a0b4a8d</code></a>
Fix <code>function-linear-gradient-no-nonstandard-direction</code> false
positives for C...</li>
<li><a
href="3a47448807"><code>3a47448</code></a>
Bump the jest group across 1 directory with 3 updates (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8634">#8634</a>)</li>
<li><a
href="1a19d6a33e"><code>1a19d6a</code></a>
Bump rollup from 4.44.0 to 4.44.1 (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8644">#8644</a>)</li>
<li><a
href="f6958a8594"><code>f6958a8</code></a>
Bump prettier from 3.5.3 to 3.6.2 (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8645">#8645</a>)</li>
<li><a
href="395ae697b5"><code>395ae69</code></a>
Bump eslint from 9.29.0 to 9.30.0 in the eslint group (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8646">#8646</a>)</li>
<li><a
href="ce56d5d449"><code>ce56d5d</code></a>
Fix unexpected change of syntax in computed <code>EditInfo</code> (<a
href="https://redirect.github.com/stylelint/stylelint/issues/8638">#8638</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/stylelint/stylelint/compare/16.21.0...16.21.1">compare
view</a></li>
</ul>
</details>
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package.json

@@ -137,7 +137,7 @@
     "postcss": "^8.5.6",
     "react-hot-loader": "^4.13.1",
     "sass": "^1.89.2",
-    "stylelint": "^16.21.0",
+    "stylelint": "^16.21.1",
     "stylelint-config-recommended-scss": "^15.0.1",
     "stylelint-scss": "^6.12.1",
     "typescript": "^5.8.3",