Use withastro/action@v2.0.1

Author: emeraldjava

.github/workflows/build.yml

@@ -26,7 +26,11 @@ jobs:
       - name: Checkout your repository using git
         uses: actions/checkout@v4
       - name: Install, build, and upload your site output
-        uses: withastro/action@v2
+        uses: withastro/action@v2.0.1
+        with:
+          path: .
+          node-version: 21.5.0
+          package-manager: npm
 
   deploy:
     needs: build