WMCO list HCP as not supported

Author: Michael Burke

windows_containers/wmco_rn/windows-containers-release-notes-10-18-x-limitations.adoc

@@ -14,6 +14,7 @@ Note the following limitations when working with Windows nodes managed by the WM
 ** OpenShift monitoring of user-defined projects
 ** {ServerlessProductName}
 ** Vertical Pod Autoscaling
+** Hosted Control Planes
 
 * The following Red Hat features are not supported on Windows nodes:
 ** link:https://docs.redhat.com/en/documentation/cost_management_service/1-latest[Red Hat Insights cost management]