unable to load root certificates: unable to parse bytes as PEM block in kube-apiserver in OCP 4

Issue

• Projects are stuck in terminating state:

openshift-debug-node-b5cg4rgjfd                                               Terminating
openshift-debug-node-rtkbgb9w6x                                               Terminating

• kube-apiserver is streaming the below errors frequently:

2022-04-07T00:26:02.688753906Z E0407 00:26:02.687954      17 customresource_handler.go:324] unable to load root certificates: unable to parse bytes as PEM block
2022-04-07T00:26:03.752402270Z E0407 00:26:03.752284      17 customresource_handler.go:324] unable to load root certificates: unable to parse bytes as PEM block

• The kube-controller-manager logs show deletion of namespace <namespace>-deployment failed

2022-05-18T17:18:59.909159201Z E0518 17:18:59.909100    1 namespace_controller.go:162]  deletion of namespace <NAMESPACE>-deployment failed: Internal error occurred: error resolving resource

• The gitlab-runner-operator ClusterServiceVersion is showing errors in it's status condition:

message: 'install strategy failed: Internal error occurred: failed calling webhook