Installer fails to pull prometheus-operator image on OCP 3

Issue

Cluster installation fails at:

Failure summary:
  1. Hosts:    example.com
     Play:     Configure Cluster Monitoring Operator
     Task:     Wait for the ServiceMonitor CRD to be created
     Message:  non-zero return code

Events logs show it is trying to pull with incorrect registry/tag combination: *quay.io/coreos/prometheus-operator:v3.11.16*

$ oc get events -n openshift-monitoring
Events:
  Type     Reason          Age                 From                  Message
  ----     ------          ----                ----                  -------
  Normal   Scheduled       1h                  default-scheduler     Successfully assigned openshift-monitoring/prometheus-operator-6ff5f666bb-tfszb to example.com
  Normal   SandboxChanged  1h (x4 over 1h)     kubelet, example.com  Pod sandbox changed, it will be killed and re-created.
  Normal   Pulling         1h (x3 over 1h)     kubelet, example.com  pulling image "quay.io/coreos/prometheus-operator:v3.11.16"
  Warning  Failed          1h (x3 over 1h)     kubelet, example.com  Error: ErrImagePull
  Warning  Failed          1h (x3 over 1h)     kubelet, example.com  Failed to pull image "quay.io/coreos/prometheus-operator:v3.11.16": rpc error: code = Unknown desc = Tag v3.11.16 not found in repository quay.io/coreos/prometheus-operator
  Normal   BackOff         59m (x193 over 1h)  kubelet, example.com  Back-off pulling image "quay.io/coreos/prometheus-operator:v3.11.16"
  Warning  Failed          39m (x277 over 1h)  kubelet, example.com  Error: ImagePullBackOff