Bump stylelint from 16.2.0 to 16.6.0

Bumps [stylelint](https://github.com/stylelint/stylelint) from 16.2.0 to 16.6.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.2.0...16.6.0)

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

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

package.json

@@ -34,7 +34,7 @@
     "postcss": "^8.4.32",
     "prettier": "^3.2.4",
     "sass": "^1.69.6",
-    "stylelint": "^16.1.0",
+    "stylelint": "^16.6.0",
     "stylelint-config-standard-scss": "^13.0.0"
   },
   "author": "Christian Hellsten",