Update peaceiris/actions-gh-pages action to v4

Author: renovate[bot]

.github/workflows/frontend-publish-npm-gh.yml

@@ -24,7 +24,7 @@ jobs:
           npm-token: ${{ secrets.NPM_TOKEN }}
           directory: ./lib
       - name: Publish Redocly Docs on Github Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./web_deploy