Merge pull request #2630 from rexagod/OCPBUGS-34568,OCPBUGS-35095

OCPBUGS-34568,OCPBUGS-35095,OCPBUGS-60689,OCPBUGS-60691,OCPBUGS-60692: non-HA alert cases

Author: openshift-merge-bot[bot]

CHANGELOG.md

@@ -3,6 +3,10 @@
 ## 4.20
 
 - [#2595](https://github.com/openshift/cluster-monitoring-operator/pull/2595) Multi-tenant support for KSM's CRS feature-set downstream.
+- [#2360](https://github.com/openshift/cluster-monitoring-operator/pull/2630) Make `KubeCPUOvercommit` and `KubeMemoryOvercommit` alerts accommodate for non-HA scenarios, in addition to HA ones. Also, the following alerts were added:
+  - `KubePdbNotEnoughHealthyPods`
+  - `KubeNodePressure`
+  - `KubeNodeEviction`
 
 ## 4.18