Update pages.yml

Author: BachMacThanh

.github/workflows/pages.yml

@@ -80,10 +80,8 @@ jobs:
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v2
-      - name: Push to gh_pages branch
-        run: |
-          git config --global user.name 'github-actions[bot]'
-          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
-          git add .
-          git commit -m 'Deploy to gh_pages branch'
-          git push origin HEAD:gh_pages
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: gh-pages  # default: gh-pages