add permissions

Author: beyonddream

.github/workflows/eleventy_build.yml

@@ -5,6 +5,11 @@ on:
     branches:
       - main
 
+# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+permissions:
+    pages: write      # to deploy to Pages
+    id-token: write   # to verify the deployment originates from an appropriate source    
+      
 jobs:
   build:
     runs-on: ubuntu-latest