Adjusted permissions on production deployment

Author: mkimberlin

.github/workflows/gradle-build-production.yml

@@ -12,8 +12,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     permissions:
-      contents: read
-      packages: write
+      contents: 'read'
+      id-token: 'write'
     environment:
       name: Production
       url: ${{ env.TARGET_URL }}