Potential fix for code scanning alert no. 2: Workflow does not contain permissions

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

Author: tschoem

.github/workflows/npm-beta-release-publish.yml

@@ -10,6 +10,9 @@ on:
 jobs:
   publish-npm:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2