This container can be pulled via:
  docker pull obs.pg.labs.percona.com/isv/percona/ppg/releases/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18-17-16
  docker pull obs.pg.labs.percona.com/isv/percona/ppg/releases/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18-17-16-5.25
  docker pull obs.pg.labs.percona.com/isv/percona/ppg/releases/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18.6-17.11-16.15
  docker pull obs.pg.labs.percona.com/isv/percona/ppg/releases/common/extras/containers/ubi9/percona-distribution-postgresql-upgrade-custom:18.6-17.11-16.15-5.25

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.