This container can be pulled via:
  docker pull registry.opensuse.org/isv/percona/ppg/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18
  docker pull registry.opensuse.org/isv/percona/ppg/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18.6
  docker pull registry.opensuse.org/isv/percona/ppg/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18.6-1
  docker pull registry.opensuse.org/isv/percona/ppg/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18.6-1-1.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.