Bump gh-pages in /frontend/micro-ui/web/micro-ui-internals/packages/css

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 3.2.3 to 5.0.0.
- [Release notes](https://github.com/tschaub/gh-pages/releases)
- [Changelog](https://github.com/tschaub/gh-pages/blob/main/changelog.md)
- [Commits](tschaub/gh-pages@v3.2.3...v5.0.0)

---
updated-dependencies:
- dependency-name: gh-pages
  dependency-version: 5.0.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/micro-ui/web/micro-ui-internals/packages/css/package.json

@@ -30,7 +30,7 @@
   "devDependencies": {
     "autoprefixer": "10.4.14",
     "cssnano": "4.1.11",
-    "gh-pages": "3.2.3",
+    "gh-pages": "5.0.0",
     "gulp": "4.0.2",
     "gulp-clean": "0.4.0",
     "gulp-clean-css": "4.3.0",