Bump stylelint from 16.21.0 to 16.23.1

Bumps [stylelint](https://github.com/stylelint/stylelint) from 16.21.0 to 16.23.1.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.21.0...16.23.1)

---
updated-dependencies:
- dependency-name: stylelint
  dependency-version: 16.23.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -43,7 +43,7 @@
     "gulp-useref": "^5.0.0",
     "main.css": "3.0.0",
     "rework-npm": "^1.0.0",
-    "stylelint": "^16.21.0",
+    "stylelint": "^16.23.1",
     "stylelint-config-standard": "^38.0.0"
   },
   "h5bp-configs": {