Bump stylelint from 16.21.0 to 16.21.1

Bumps [stylelint](https://github.com/stylelint/stylelint) from 16.21.0 to 16.21.1.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.21.0...16.21.1)

---
updated-dependencies:
- dependency-name: stylelint
  dependency-version: 16.21.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -44,7 +44,7 @@
     "postcss": "8.5.3",
     "postcss-cli": "11.0.1",
     "prettier": "3.5.3",
-    "stylelint": "16.21.0",
+    "stylelint": "16.21.1",
     "stylelint-config-standard": "38.0.0"
   },
   "engines": {