build(deps): bump peaceiris/actions-gh-pages from 3 to 4 (#4625)

Author: dependabot[bot]

.github/workflows/documentation.yml

@@ -56,7 +56,7 @@ jobs:
         working-directory: ./docs
 
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           publish_dir: docs/public
           force_orphan: true