release-22.1:Backport!6298

Merged EKbfh requested to merge cherry-pick-5b84a9cb into release-22.1

Ansible fix pg init command

See merge request !6298 (merged)

(cherry picked from commit 5b84a9cb)

7a6127e8 fix command noc/system_roles/postgres/tasks/os/CentOS_7/main.yml 69a166d2 change type variable postgres_version for RedHat family

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