Add write permissions for publish-helm-charts

Author: jkupferer

.github/workflows/publish.yaml

@@ -61,6 +61,9 @@ jobs:
   publish-helm-charts:
     needs: publish
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pages: write
     steps:
     - name: Checkout Source
       uses: actions/checkout@v3