ci: update workflows config.

Author: jaywcjlove

.github/workflows/ci.yml

@@ -65,7 +65,7 @@ jobs:
       - run: cp assets/twitter.png ./dist/assets
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           commit_message: ${{ github.event.head_commit.message }}
           github_token: ${{ secrets.GITHUB_TOKEN }}