Update astro.yml

Author: ColinWttt

.github/workflows/astro.yml

@@ -25,16 +25,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Install pnpm with corepack
+        run: corepack prepare pnpm@latest --activate
+        
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
           node-version: "20"
           cache: "pnpm"
           cache-dependency-path: ${{ env.BUILD_PATH }}/pnpm-lock.yaml
 
-      - name: Install pnpm
-        run: npm install -g pnpm
-
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5