Monitoring operator degraded as it is waiting for federate and thanos-ruler route to become ready in RHOCP 4

Issue

• After enabling user-workload-monitoring, clusteroperator monitoring got degraded:

  $ oc get co monitoring
  NAME         VERSION   AVAILABLE   PROGRESSING   DEGRADED   SINCE
  monitoring   4.13.28   False       True          True       205d
  

• Clusteroperator monitoring is degraded with below error:

  $ oc get co monitoring -o yaml.            // Refer status section
  ------ Output Omitted ------
   - lastTransitionTime: "2024-05-10T19:26:17Z"
     message: 'waiting for Thanos Ruler Route to become ready failed: waiting for route
       openshift-user-workload-monitoring/thanos-ruler: no status available, waiting
       for UserWorkload federate Route to become ready failed: waiting for route openshift-user-workload-monitoring/federate:
       no status available'
     reason: MultipleTasksFailed
     status: "True"
     type: Degraded
  ------ Output Omitted ------