Fix: Upload docker images on pypi release

Author: SurbhiJainUSC

.github/workflows/build_and_push_docker_image.yml

@@ -54,6 +54,7 @@ jobs:
     runs-on: linux-x86-n2-16-buildkit
     container: google/cloud-sdk:524.0.0
     if: >
+      github.event_name == 'release' ||
       github.event_name == 'schedule' ||
       github.event_name == 'pull_request' ||
       github.event_name == 'workflow_dispatch' && (