Use peaceiris/actions-gh-pages@v3

Author: hsbt

.github/workflows/deploy.yml

@@ -13,9 +13,15 @@ jobs:
         uses: actions/checkout@v2
         with:
           persist-credentials: false
-      - name: Build and Deploy
-        uses: JamesIves/github-pages-deploy-action@releases/v3
+      - uses: ruby/setup-ruby@v1
         with:
-          ACCESS_TOKEN: ${{ secrets.ACCESS_TOKEN }}
-          BRANCH: gh-pages
-          FOLDER: build
+          ruby-version: 2.6
+      - name: Install dependencies
+        run: bundle install
+      - name: Build
+        run: bundle exec middleman build
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.ACCESS_TOKEN }}
+          publish_dir: ./build