1. Proposed title of this feature request
HA support for Secondary Scheduler Operator

2. What is the nature and description of the request?
Currently, the Secondary Scheduler Operator does not provide high availability (something similar to default scheduler which runs 3 replicas at the control plane level).

3. Why does the customer need this? (List the business requirements here)
This is a must-have for production environments.

4. List any affected packages or components.
secondary-scheduler-operator