control-service: fix publish-job-base-image script

[mivanov1988]

Error log - https://gitlab.com/vmware-analytics/versatile-data-kit/-/jobs/4736245032

docker_push_vdk.sh registry.hub.docker.com/versatiledatakit/data-job-base-python-3.8-secure:1.944735428
Discarding user and registry part of the docker image: registry.hub.docker.com/versatiledatakit/data-job-base-python-3.8-secure:1.944735428 -> data-job-base-python-3.8-secure/1.944735428
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
Error response from daemon: No such image: registry.hub.docker.com/versatiledatakit/data-job-base-python-3.8-secure:1.944735428
docker push registry.hub.docker.com/versatiledatakit/data-job-base-python-3.8-secure:1.944735428

Signed-off-by: Miroslav Ivanov [email protected]