chore(deps): bump sigs.k8s.io/controller-runtime from 0.15.0 to 0.16.3

Bumps [sigs.k8s.io/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime) from 0.15.0 to 0.16.3.
- [Release notes](https://github.com/kubernetes-sigs/controller-runtime/releases)
- [Changelog](https://github.com/kubernetes-sigs/controller-runtime/blob/main/RELEASE.md)
- [Commits](kubernetes-sigs/controller-runtime@v0.15.0...v0.16.3)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/controller-runtime
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

cmd/main.go

@@ -17,6 +17,8 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/cache"
 	"sigs.k8s.io/controller-runtime/pkg/event"
 	"sigs.k8s.io/controller-runtime/pkg/healthz"
+	metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
+	"sigs.k8s.io/controller-runtime/pkg/webhook"
 
 	garmoperatorv1alpha1 "github.com/mercedes-benz/garm-operator/api/v1alpha1"
 	"github.com/mercedes-benz/garm-operator/internal/controller"
@@ -70,15 +72,23 @@ func run() error {
 		return nil
 	}
 
-	var watchNamespaces []string
+	var watchNamespaces map[string]cache.Config
 	if config.Config.Operator.WatchNamespace != "" {
-		watchNamespaces = []string{config.Config.Operator.WatchNamespace}
+		watchNamespaces = map[string]cache.Config{
+			config.Config.Operator.WatchNamespace: {},
+		}
 	}
 
 	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
-		Scheme:                 scheme,
-		MetricsBindAddress:     config.Config.Operator.MetricsBindAddress,
-		Port:                   9443,
+		Scheme: scheme,
+		Metrics: metricsserver.Options{
+			BindAddress: config.Config.Operator.MetricsBindAddress,
+		},
+		WebhookServer: webhook.NewServer(
+			webhook.Options{
+				Port: 9443,
+			},
+		),
 		HealthProbeBindAddress: config.Config.Operator.HealthProbeBindAddress,
 		LeaderElection:         config.Config.Operator.LeaderElection,
 		LeaderElectionID:       "b608d8b3.mercedes-benz.com",
@@ -96,10 +106,9 @@ func run() error {
 		//
 		// Default Sync Period = 10 hours.
 		// Set default via flag to 5 minutes
-		SyncPeriod: &config.Config.Operator.SyncPeriod,
 		Cache: cache.Options{
-			Namespaces: watchNamespaces,
-			SyncPeriod: &config.Config.Operator.SyncPeriod,
+			DefaultNamespaces: watchNamespaces,
+			SyncPeriod:        &config.Config.Operator.SyncPeriod,
 		},
 	})
 	if err != nil {

go.mod

@@ -20,12 +20,12 @@ require (
 	github.com/stretchr/testify v1.8.4
 	go.uber.org/mock v0.2.0
 	gopkg.in/yaml.v2 v2.4.0
-	k8s.io/api v0.27.2
-	k8s.io/apimachinery v0.27.2
-	k8s.io/client-go v0.27.2
+	k8s.io/api v0.28.3
+	k8s.io/apimachinery v0.28.3
+	k8s.io/client-go v0.28.3
 	k8s.io/klog/v2 v2.110.1
 	k8s.io/utils v0.0.0-20230726121419-3b25d923346b
-	sigs.k8s.io/controller-runtime v0.15.0
+	sigs.k8s.io/controller-runtime v0.16.3
 )
 
 require (
@@ -35,8 +35,8 @@ require (
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
-	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
+	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
+	github.com/evanphx/json-patch v5.6.0+incompatible // indirect
 	github.com/evanphx/json-patch/v5 v5.6.0 // indirect
 	github.com/felixge/httpsnoop v1.0.3 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
@@ -57,11 +57,11 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/go-github/v53 v53.2.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/google/gofuzz v1.1.0 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/gorilla/handlers v1.5.1 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
@@ -82,29 +82,30 @@ require (
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_model v0.4.0 // indirect
-	github.com/prometheus/common v0.42.0 // indirect
+	github.com/prometheus/common v0.44.0 // indirect
 	github.com/prometheus/procfs v0.10.1 // indirect
 	github.com/teris-io/shortid v0.0.0-20220617161101-71ec9f2aa569 // indirect
 	go.mongodb.org/mongo-driver v1.13.1 // indirect
 	go.opentelemetry.io/otel v1.17.0 // indirect
 	go.opentelemetry.io/otel/metric v1.17.0 // indirect
 	go.opentelemetry.io/otel/trace v1.17.0 // indirect
 	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect
 	golang.org/x/net v0.17.0 // indirect
 	golang.org/x/oauth2 v0.8.0 // indirect
 	golang.org/x/sys v0.15.0 // indirect
 	golang.org/x/term v0.15.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
-	gomodules.xyz/jsonpatch/v2 v2.3.0 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.30.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/apiextensions-apiserver v0.27.2 // indirect
-	k8s.io/component-base v0.27.2 // indirect
-	k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f // indirect
+	k8s.io/apiextensions-apiserver v0.28.3 // indirect
+	k8s.io/component-base v0.28.3 // indirect
+	k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect