chore(deps): bump postcss-selector-parser from 6.1.2 to 6.1.4 in /docsite (#3083)

Bumps
[postcss-selector-parser](https://github.com/postcss/postcss-selector-parser)
from 6.1.2 to 6.1.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/postcss/postcss-selector-parser/releases">postcss-selector-parser's
releases</a>.</em></p>
<blockquote>
<h2>6.1.4</h2>
<ul>
<li>fix: tolerate non-node children when serializing selectors</li>
</ul>
<h2>6.1.3</h2>
<ul>
<li>Fix <a
href="https://github.com/advisories/GHSA-w9m9-85wc-3x92">CVE-2026-9358</a>
(NVD) / SNYK-JS-POSTCSSSELECTORPARSER-16873882 via backport of (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/pull/316">#316</a>
by <a href="https://github.com/MoOx"><code>@​MoOx</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/postcss/postcss-selector-parser/blob/main/CHANGELOG.md">postcss-selector-parser's
changelog</a>.</em></p>
<blockquote>
<h1>Changelog of <code>postcss-selector-parser</code></h1>
<h2>7.1.5 - 2026-08-07</h2>
<ul>
<li>fix: don't treat a non-prefix token before <code>|</code> as a
namespace (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/pull/324">#324</a>
by <a
href="https://github.com/spokodev"><code>@​spokodev</code></a>)</li>
<li>fix: preserve whitespace before a <code>*</code> namespace in
attribute selectors (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/pull/325">#325</a>
by <a
href="https://github.com/spokodev"><code>@​spokodev</code></a>)</li>
<li>fix: TypeError on unclosed <code>[</code>, <code>(</code> and
trailing <code>|</code> (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/pull/330">#330</a>
by <a
href="https://github.com/theRizwan"><code>@​theRizwan</code></a>)</li>
</ul>
<h2>7.1.4 - 2026-06-11</h2>
<ul>
<li>fix: tolerate non-node children when serializing selectors</li>
</ul>
<h2>7.1.3 - 2026-06-11</h2>
<ul>
<li>Improve fix CVE-2026-9358 (NVD) /
SNYK-JS-POSTCSSSELECTORPARSER-16873882 (clone/walk)</li>
</ul>
<h2>7.1.2 - 2026-06-09</h2>
<ul>
<li>Fix <a
href="https://github.com/advisories/GHSA-w9m9-85wc-3x92">CVE-2026-9358</a>
(NVD) / SNYK-JS-POSTCSSSELECTORPARSER-16873882 (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/pull/316">#316</a>
by <a href="https://github.com/MoOx"><code>@​MoOx</code></a>)</li>
</ul>
<h2>7.1.1</h2>
<ul>
<li>perf: replace startsWith with strict equality (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/issues/308">#308</a>)</li>
<li>fix(types): add walkUniversal declaration (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/issues/311">#311</a>)</li>
</ul>
<h2>7.1.0</h2>
<ul>
<li>feat: insert(Before|After) support multiple new node</li>
</ul>
<h2>7.0.0</h2>
<ul>
<li>Feat: make insertions during iteration safe (major)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/4a7e4e3685db8ab8e52e51ecdbe8162a8568f70c"><code>4a7e4e3</code></a>
7.1.4</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/e2021c523d5ef1bf27836aef3bd724a28ba7894f"><code>e2021c5</code></a>
fix: tolerate non-node children when serializing selectors</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/7893b741fa87d0401e39c3a7f00d89cf7408ad32"><code>7893b74</code></a>
7.1.3</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/5bc698cef66f8abd12610dc623e5d67cbc0f869d"><code>5bc698c</code></a>
Improve fix CVE-2026-9358 (NVD) / SNYK-JS-POSTCSSSELECTORPARSER-16873882
(clo...</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/db3232710d7270b34e50b4ffae493ac19204f570"><code>db32327</code></a>
run oxfmt</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/16e2581b40894504cf2b979fc0ebf7d0b2f39366"><code>16e2581</code></a>
simplify deps (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/issues/319">#319</a>)</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/b185e2057871669f9c571ad82e4350799e0a2329"><code>b185e20</code></a>
Add description in package.json + full repo url</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/de415f19aac008f0e731590222f3a963193be05c"><code>de415f1</code></a>
Add Tidelift security notice</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/c4f2c8c04a8107e4e401f257ef00592b59633774"><code>c4f2c8c</code></a>
CI: make Node 14 test job lockfile-v3 compatible (<a
href="https://redirect.github.com/postcss/postcss-selector-parser/issues/318">#318</a>)</li>
<li><a
href="https://github.com/postcss/postcss-selector-parser/commit/4e93663bfe861f9fc3173db603c8fadb70f8090a"><code>4e93663</code></a>
Fix test run on node &lt; 20</li>
<li>Additional commits viewable in <a
href="https://github.com/postcss/postcss-selector-parser/compare/v6.1.2...6.1.4">compare
view</a></li>
</ul>
</details>
<details>
<summary>Maintainer changes</summary>
<p>This version was pushed to npm by <a
href="https://www.npmjs.com/~moox">moox</a>, a new releaser for
postcss-selector-parser since your current version.</p>
</details>
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docsite/yarn.lock

@@ -10472,12 +10472,12 @@ __metadata:
   linkType: hard
 
 "postcss-selector-parser@npm:^6.0.11, postcss-selector-parser@npm:^6.0.16":
-  version: 6.1.2
-  resolution: "postcss-selector-parser@npm:6.1.2"
+  version: 6.1.4
+  resolution: "postcss-selector-parser@npm:6.1.4"
   dependencies:
     cssesc: "npm:^3.0.0"
     util-deprecate: "npm:^1.0.2"
-  checksum: 10c0/523196a6bd8cf660bdf537ad95abd79e546d54180f9afb165a4ab3e651ac705d0f8b8ce6b3164fb9e3279ce482c5f751a69eb2d3a1e8eb0fd5e82294fb3ef13e
+  checksum: 10c0/996f3290dee08ecb073d5f396d1134e619494cfd83140aec07a29618ee1e76d370769a8959d4c0cfefb24aa96dcffa4e7c4937dd881e03b735d50cba959ceb19
   languageName: node
   linkType: hard