Update autocaler RBAC to accomodate machinepools support added upstream

This is needed to let the autoscaler to operate openshift/kubernetes-autoscaler#256 (comment)
kubernetes/autoscaler#4676

Author: enxebre

control-plane-operator/controllers/hostedcontrolplane/autoscaler/reconcile.go

@@ -204,6 +204,8 @@ func ReconcileAutoscalerRole(role *rbacv1.Role, owner config.OwnerRef) error {
 				"machines",
 				"machinesets",
 				"machinesets/scale",
+				"machinepools",
+				"machinepools/scale",
 			},
 			Verbs: []string{"*"},
 		},

hypershift-operator/controllers/hostedcluster/hostedcluster_controller.go

@@ -2451,6 +2451,8 @@ func reconcileControlPlaneOperatorRole(role *rbacv1.Role) error {
 				"machines",
 				"machinesets",
 				"machinesets/scale",
+				"machinepools",
+				"machinepools/scale",
 			},
 			Verbs: []string{"*"},
 		},