Update kubernetes libs to latest (#2834)

- k8s.io/api v0.28.1
- k8s.io/apiextensions-apiserver v0.28.1
- k8s.io/apimachinery v0.28.1
- k8s.io/client-go v0.28.1
- k8s.io/metrics v0.28.1
- sigs.k8s.io/controller-runtime v0.16.1
- sigs.k8s.io/controller-tools v0.13.0

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

pkg/mqtrigger/scalermanager.go

@@ -167,7 +167,10 @@ func StartScalerManager(ctx context.Context, logger *zap.Logger, routerURL strin
 	}
 
 	for _, informer := range utils.GetInformersForNamespaces(fissionClient, time.Minute*30, fv1.MessageQueueResource) {
-		informer.AddEventHandler(mqTriggerEventHandlers(ctx, logger, kubeClient, routerURL))
+		_, err := informer.AddEventHandler(mqTriggerEventHandlers(ctx, logger, kubeClient, routerURL))
+		if err != nil {
+			return err
+		}
 		go informer.Run(ctx.Done())
 		if ok := k8sCache.WaitForCacheSync(ctx.Done(), informer.HasSynced); !ok {
 			logger.Fatal("failed to wait for caches to sync")