This container can be pulled via:
  docker pull obs.pg.labs.percona.com/isv/percona/ppg/releases/18/extras/containers/ubi9/percona-distribution-postgresql-custom:18
  docker pull obs.pg.labs.percona.com/isv/percona/ppg/releases/18/extras/containers/ubi9/percona-distribution-postgresql-custom:18.6
  docker pull obs.pg.labs.percona.com/isv/percona/ppg/releases/18/extras/containers/ubi9/percona-distribution-postgresql-custom:18.6-5

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.