override permissions at workflow level

Author: itsankit-google

.github/workflows/build.yml

@@ -21,6 +21,11 @@ on:
     branches: [ develop, release/** ]
     types: [opened, synchronize, reopened, labeled]
 
+permissions:
+  contents: write  # Allows writing to the repository (default is read-only)
+  packages: read   # Allows reading GitHub Packages
+  actions: read    # Allows reading workflow run information
+
 jobs:
   build:
     runs-on: k8s-runner-build