Use pnpm for github actions

Author: cmaureir

.github/workflows/deploy.yml

@@ -22,10 +22,10 @@ jobs:
         uses: actions/checkout@v4
       - name: Install, build, and upload your site
         uses: withastro/action@v3
-        # with:
+        with:
           # path: . # The root location of your Astro project inside the repository. (optional)
           # node-version: 20 # The specific version of Node that should be used to build your site. Defaults to 20. (optional)
-          # package-manager: pnpm@latest # The Node package manager that should be used to install dependencies and build your site. Automatically detected based on your lockfile. (optional)
+          package-manager: pnpm@latest # The Node package manager that should be used to install dependencies and build your site. Automatically detected based on your lockfile. (optional)
 
   deploy:
     needs: build