minor fix

Signed-off-by: Arvind Thirumurugan <arvindth@microsoft.com>

Author: Arvind Thirumurugan

approval-controller-metric-collector/approval-request-controller/pkg/controller/controller.go

@@ -285,7 +285,7 @@ func (r *Reconciler) ensureMetricCollectorResources(
 			ClusterResourceSelectors: []placementv1beta1.ResourceSelectorTerm{
 				{
 					Group:   "metric.kubernetes-fleet.io",
-					Version: "v1beta1",
+					Version: "v1alpha1",
 					Kind:    "MetricCollector",
 					Name:    metricCollectorName,
 				},
@@ -324,8 +324,8 @@ func (r *Reconciler) ensureMetricCollectorResources(
 		Spec: placementv1beta1.PlacementSpec{
 			ResourceSelectors: []placementv1beta1.ResourceSelectorTerm{
 				{
-					Group:   "placement.kubernetes-fleet.io",
-					Version: "v1beta1",
+					Group:   "metric.kubernetes-fleet.io",
+					Version: "v1alpha1",
 					Kind:    "MetricCollector",
 					Name:    metricCollectorName,
 				},