ci: set permissions for github token

Author: avivace

.github/workflows/build-publish.yml

@@ -5,6 +5,12 @@ on:
     branches:
       - main
 
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
 jobs:
   build:
     name: Build Hugo website