EDB Postgres for Kubernetes 1.2.1 release notes v1

This release of EDB Postgres for Kubernetes includes the following:

TypeDescription
FeatureScheduledBackup are no longer owners of the Backups, meaning that backups are not removed when ScheduledBackup objects are deleted.
Security fixUpdate on ubi8-minimal image to solve RHSA-2021:1024 (Security Advisory: Important).