chore: change to manually build the astro site instead of using the a…

…stro action

.github/workflows/deploy.yml

@@ -16,8 +16,20 @@ jobs:
     steps:
       - name: Checkout your repository using git
         uses: actions/checkout@v4
-      - name: Install, build, and upload your site output
-        uses: withastro/action@v2
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'  # Choose a version compatible with Astro
+          cache: 'pnpm'
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build the Astro site
+        run: pnpm build
       - name: Upload static files as artifact
         id: deployment
         uses: actions/upload-pages-artifact@v3