chore(deps-dev): bump stylelint-config-standard from 20.0.0 to 21.0.0

Bumps [stylelint-config-standard](https://github.com/stylelint/stylelint-config-standard) from 20.0.0 to 21.0.0.
- [Release notes](https://github.com/stylelint/stylelint-config-standard/releases)
- [Changelog](https://github.com/stylelint/stylelint-config-standard/blob/master/CHANGELOG.md)
- [Commits](stylelint/stylelint-config-standard@20.0.0...21.0.0)

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

package.json

@@ -35,7 +35,7 @@
     "html-minifier": "4.0.0",
     "js-index-builder": "ViBiOh/js-index-builder#main",
     "stylelint": "13.12.0",
-    "stylelint-config-standard": "20.0.0",
+    "stylelint-config-standard": "21.0.0",
     "uglify-es": "3.3.9"
   },
   "dependencies": {}