chore(deps-dev): bump clean-css from 5.3.2 to 5.3.3

Bumps [clean-css](https://github.com/clean-css/clean-css) from 5.3.2 to 5.3.3.
- [Changelog](https://github.com/clean-css/clean-css/blob/master/History.md)
- [Commits](https://github.com/clean-css/clean-css/compare/v5.3.2...v5.3.3)

---
updated-dependencies:
- dependency-name: clean-css
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -36,7 +36,7 @@
     "@typescript-eslint/eslint-plugin": "^6.13.1",
     "autoprefixer": "^10.4.16",
     "child_process": "^1.0.2",
-    "clean-css": "^5.3.2",
+    "clean-css": "^5.3.3",
     "dotenv-flow": "^4.0.1",
     "eleventy-plugin-tabler-icons": "^2.1.0",
     "eleventy-plugin-unfurl": "^1.0.0",