Bump stylelint from 13.8.0 to 13.9.0

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.8.0 to 13.9.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/13.8.0...13.9.0)

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

package.json

@@ -99,7 +99,7 @@
 		"raw-loader": "^4.0.2",
 		"sass-loader": "^10.1.1",
 		"style-loader": "^1.3.0",
-		"stylelint": "^13.8.0",
+		"stylelint": "^13.9.0",
 		"stylelint-config-recommended": "^3.0.0",
 		"stylelint-config-recommended-scss": "^4.2.0",
 		"stylelint-scss": "^3.18.0",