chore: add explicit permission

Author: himanshusinghs

.github/workflows/docker-publish.yml

@@ -11,6 +11,8 @@ on:
 jobs:
   build-push:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - name: Check out code
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8