[PG-DB] Add imagePullSecrets to pg-db#685

jvpasinatto merged 3 commits intopercona:release-pg-2.9.0percona/percona-helm-charts:release-pg-2.9.0from

shepz:shepz/pg-db-imagepullsecretshepz/percona-helm-charts:shepz/pg-db-imagepullsecretCopy head branch name to clipboard