Bump stylelint from 15.3.0 to 15.4.0

Bumps [stylelint](https://github.com/stylelint/stylelint) from 15.3.0 to 15.4.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/15.3.0...15.4.0)

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

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

package.json

@@ -24,7 +24,7 @@
         "postcss-combine-media-query": "^1.0.1",
         "postcss-import": "^15.1.0",
         "postcss-loader": "^7.2.4",
-        "stylelint": "^15.2.0",
+        "stylelint": "^15.4.0",
         "stylelint-config-standard": "^31.0.0",
         "stylelint-webpack-plugin": "^4.1.0",
         "webpack": "^5.77.0",