mod: update gh action

	- use node 16 properly
	- improve gh page deployment

Author: hanetooth

.github/workflows/deploy.yml

@@ -1,36 +1,37 @@
-name: Deploy Static Site
+name: Build and Deploy
 
 on:
   push:
     branches:
       - main
 
 jobs:
-  deploy:
+  build_and_deploy:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v2
-        with:
-          node-version: 16
-
-      - name: Install pnpm
-        run: npm install -g @pnpm/exec
-
-      - name: Testing
-        run: |
-          pnpm install
-          pnpm run test
-
-      - name: Build and Generate Static Site
-        run: |
-          pnpm install
-          pnpm run prod
-
-      - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./build  # Adjust the directory containing your static site
+    - uses: actions/checkout@v2
 
+    - name: Setup Node.js environment
+      uses: actions/setup-node@v2
+      with:
+        node-version: '16.x'
+
+    - name: Install pnpm
+      run: npm install -g pnpm
+
+    - name: Install dependencies
+      run: pnpm install
+
+    - name: Run tests
+      run: pnpm test
+
+    - name: Build
+      run: pnpm prod
+
+    - name: Deploy to GitHub Pages
+      uses: peaceiris/actions-gh-pages@v4
+      with:
+        publish-dir: ./build
+        publish-branch: gh-pages
+        deploy_key: ${{ secrets.DEPLOY_KEY }}