Updated gh-pages to remove node dependencies

Author: hugoabernier

.github/workflows/deploy-hugo.yml

@@ -27,7 +27,7 @@ jobs:
         run: hugo
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public