Bump stylelint from 16.11.0 to 16.12.0

Bumps [stylelint](https://github.com/stylelint/stylelint) from 16.11.0 to 16.12.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.11.0...16.12.0)

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

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

frontend/package.json

@@ -61,7 +61,7 @@
     "prettier": "3.4.2",
     "react-test-renderer": "^18.3.1",
     "sass": "^1.82.0",
-    "stylelint": "^16.11.0",
+    "stylelint": "^16.12.0",
     "stylelint-config-recommended-scss": "^14.1.0",
     "stylelint-scss": "^6.10.0",
     "typescript": "^5.4.5"