gh-pages에 푸시 후 현재 브랜치에 푸시하도록 변경

.github/workflows/nextjs-deploy.yml

@@ -24,10 +24,12 @@ jobs:
       - name: Build the project
         run: npm run build
 
+      - name: Export the project
+        run: npm run export
+
       - name: Deploy to GitHub Pages
-        run: |
-          git config --global user.name 'github-actions[bot]'
-          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
-          git add -A
-          git commit -m 'Deploy to GitHub Pages' || echo "No changes to commit"
-          git push origin HEAD:migration-taskforce
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./out
+          publish_branch: migration-taskforce