Bump stylelint-config-standard from 28.0.0 to 34.0.0

Bumps [stylelint-config-standard](https://github.com/stylelint/stylelint-config-standard) from 28.0.0 to 34.0.0.
- [Release notes](https://github.com/stylelint/stylelint-config-standard/releases)
- [Changelog](https://github.com/stylelint/stylelint-config-standard/blob/main/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint-config-standard/compare/28.0.0...34.0.0)

---
updated-dependencies:
- dependency-name: stylelint-config-standard
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -34,7 +34,7 @@
     "grunt-stylelint": "latest",
     "grunt-yamllint": "latest",
     "stylelint": "^14.16.1",
-    "stylelint-config-standard": "^28.0.0",
+    "stylelint-config-standard": "^34.0.0",
     "time-grunt": "latest"
   }
 }