[WIP] K8SPG-552 cert manager integration

[gkech]

CHANGE DESCRIPTION

Problem: Short explanation of the problem.

Cause: Short explanation of the root cause of the issue if applicable.

Solution: Short explanation of the solution we are providing with this PR.

CHECKLIST

Jira

• [ ] Is the Jira ticket created and referenced properly?
• [ ] Does the Jira ticket have the proper statuses for documentation (Needs Doc) and QA (Needs QA)?
• [ ] Does the Jira ticket link to the proper milestone (Fix Version field)?

Tests

• [ ] Is an E2E test/test case added for the new feature/change?
• [ ] Are unit tests added where appropriate?

Config/Logging/Testability

• [ ] Are all needed new/changed options added to default YAML files?
• [ ] Are all needed new/changed options added to the Helm Chart?
• [ ] Did we add proper logging messages for operator actions?
• [ ] Did we ensure compatibility with the previous version or cluster upgrade process?
• [ ] Does the change support oldest and newest supported PG version?
• [ ] Does the change support oldest and newest supported Kubernetes version?

[JNKPercona]

Test Name	Result	Time
backup-enable-disable	passed	00:07:39
custom-extensions	passed	00:10:10
custom-tls	failure	00:08:34
database-init-sql	passed	00:03:45
demand-backup	passed	00:24:58
finalizers	passed	00:03:50
init-deploy	passed	00:03:21
monitoring	passed	00:08:40
monitoring-pmm3	passed	00:09:00
one-pod	failure	00:03:14
operator-self-healing	passed	00:07:58
pgvector-extension	passed	00:02:32
pitr	failure	00:21:16
scaling	passed	00:04:56
scheduled-backup	passed	00:25:18
self-healing	passed	00:09:35
sidecars	passed	00:02:29
start-from-backup	passed	00:11:06
tablespaces	passed	00:08:18
telemetry-transfer	passed	00:03:35
upgrade-consistency	passed	00:06:05
upgrade-minor	failure	00:03:15
users	passed	00:04:23
We run 23 out of 23		03:14:09

commit: https://github.com/percona/percona-postgresql-operator/pull/1233/commits/c05fe9b810e34ad38f6282f773e9efe8a9e6856a image: perconalab/percona-postgresql-operator:PR-1233-c05fe9b81