This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/mariadb-client:11.4
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/mariadb-client:11.4-19.34
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/mariadb-client:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.