feat(RHIDP-11180): Ensure the test instance of RHDH can be deployed with up to 10 replicas

[pmacik]

Fixes https://issues.redhat.com/projects/RHDHBUGS/issues/RHDHBUGS-2401 and https://issues.redhat.com/browse/RHDHBUGS-2413

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[pmacik]

/test mvp
/test mvp-scalability
/test orchestrator

[ghost]

Tested the PgBouncer connection pooler implementation. While the infrastructure deploys successfully, PgBouncer must be enabled and used used without overriding RHDH_NAMESPACE and RHDH_HELM_RELEASE_NAME.

Finding: Database connections are being established directly from the RHDH pods, with no connections originating from the PgBouncer pods. This was verified using the PgBouncer pod logs says and the PostgreSQL pg_stat_activity table.

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pmacik, skestwal

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[ghost]

Approving PR. Required to proceed with the changes related to the Crunchy PostgreSQL Operator. PR #319