Add permissions to ghpages workflow (#657)

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: awesome-manuel

.github/workflows/edge_ghpage.yml

@@ -1,4 +1,7 @@
 name: Build and Deploy Edge version to GH Pages
+permissions:
+  contents: read
+  pages: write
 on:
   workflow_dispatch:
   push: