chore(deps-dev): bump clean-css-cli from 5.4.2 to 5.5.0 (#4128)

Bumps [clean-css-cli](https://github.com/clean-css/clean-css-cli) from 5.4.2 to 5.5.0.
- [Release notes](https://github.com/clean-css/clean-css-cli/releases)
- [Changelog](https://github.com/clean-css/clean-css-cli/blob/master/History.md)
- [Commits](https://github.com/clean-css/clean-css-cli/compare/v5.4.2...v5.5.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -133,7 +133,7 @@
     "autoprefixer": "^10.4.0",
     "browser-sync": "^2.27.7",
     "bundlewatch": "^0.3.2",
-    "clean-css-cli": "^5.4.2",
+    "clean-css-cli": "^5.5.0",
     "concurrently": "^6.4.0",
     "eslint": "^8.4.0",
     "eslint-config-xo": "^0.39.0",