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>

Author: rajbos

.github/workflows/publish.yml

@@ -9,6 +9,10 @@ concurrency:
   group: "publish-${{ github.ref }}"
   cancel-in-progress: true
 
+permissions:
+  contents: read
+  packages: write
+
 jobs:
   build-and-publish:
     runs-on: ubuntu-latest