Update nextjs.yml

remove `static_site_generator` as per actions/configure-pages#107

.github/workflows/nextjs.yml

@@ -40,12 +40,12 @@ jobs:
           cache: "npm"
       - name: Setup Pages
         uses: actions/configure-pages@v5
-        with:
+ #       with:
           # Automatically inject basePath in your Next.js configuration file and disable
           # server side image optimization (https://nextjs.org/docs/api-reference/next/image#unoptimized).
           #
           # You may remove this line if you want to manage the configuration yourself.
-          static_site_generator: next
+#          static_site_generator: next
       - name: Install dependencies
         run: npm ci --prefer-offline
       - name: Build with Next.js