Potential fix for code scanning alert no. 1: Workflow does not contain permissions

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

.github/workflows/publish-extension.yml

@@ -5,6 +5,10 @@ on:
     tags:
       - "v*" # Triggers on version tags like v1.0.0, v1.2.3, etc.
 
+permissions:
+  contents: write
+  packages: write
+
 jobs:
   build-and-publish:
     runs-on: ubuntu-latest