build(deps-dev): bump clean-css-cli from 5.6.2 to 5.6.3 (#1883)

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](clean-css/clean-css-cli@v5.6.2...v5.6.3)

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

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

package.json

@@ -70,7 +70,7 @@
     "@twbs/fantasticon": "^2.7.1",
     "autoprefixer": "^10.4.16",
     "bootstrap": "^5.3.2",
-    "clean-css-cli": "^5.6.2",
+    "clean-css-cli": "^5.6.3",
     "clipboard": "^2.0.11",
     "cross-env": "^7.0.3",
     "eslint": "^8.54.0",