Story (Required)

SRVKP-3339 Add anti-affinity rules to the controller replica in our CI clusters for HA. 

As part of the HA setup, we probably want to add anti-affinity rules to our deployment to make sure replicas do not end up in the same node.

Approach (Required)

Update the tekton config 

Done Checklist

• Code is completed, reviewed, documented and checked in
• Unit and integration test automation have been delivered and running cleanly in continuous integration/staging/canary environment
• Continuous Delivery pipeline(s) is able to proceed with new code included
• Customer facing documentation, API docs etc. are produced/updated, reviewed and published
• Acceptance criteria are met