update action to fix pnpm maybe?

Author: lith-x

.github/workflows/astro.yml

@@ -60,7 +60,9 @@ jobs:
 
       - name: Install pnpm (if needed)
         if: ${{ steps.detect-package-manager.outputs.manager == 'pnpm' }}
-        run: npm install -g pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10
 
       - name: Setup Pages
         id: pages

package.json

@@ -11,6 +11,7 @@
   "dependencies": {
     "@tailwindcss/vite": "^4.1.11",
     "astro": "^5.12.3",
+    "sharp": "^0.34.3",
     "tailwindcss": "^4.1.11"
   }
 }