chore(deps-dev): bump clean-css-cli from 5.6.2 to 5.6.3 (#5437)

Bumps [clean-css-cli](https://github.com/clean-css/clean-css-cli) from 5.6.2 to 5.6.3.
- [Changelog](https://github.com/clean-css/clean-css-cli/blob/master/History.md)
- [Commits](https://github.com/clean-css/clean-css-cli/compare/v5.6.2...v5.6.3)

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

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

package.json

@@ -66,7 +66,7 @@
     "autoprefixer": "^10.4.16",
     "bootstrap": "^5.3.2",
     "bundlewatch": "^0.3.3",
-    "clean-css-cli": "^5.6.2",
+    "clean-css-cli": "^5.6.3",
     "concurrently": "^8.2.2",
     "cross-env": "^7.0.3",
     "eslint": "^8.55.0",