The monitoring CO degraded due to one of the prometheus-user-workload pods going in CrashLoopBackOff state in RHOCP 4

Issue

• The monitoring CO degraded with the below error due to one of the prometheus-user-workload pods going into CrashLoopBackOff state:

$ oc get co monitoring
monitoring                                 4.14.22   False       True          True       3h20m    reconciling Prometheus Operator Admission Webhook Deployment failed: updating Deployment object failed: waiting for DeploymentRollout of openshift-monitoring/prometheus-operator-admission-webhook: context deadline exceeded

$ oc -n openshift-user-workload-monitoring get pods -l app.kubernetes.io/instance=user-workload -l  app.kubernetes.io/name=prometheus
NAME                         READY   STATUS             RESTARTS   AGE
prometheus-user-workload-0   6/6     Running            1          23m
prometheus-user-workload-1   5/6     CrashLoopBackOff   8          21m