rebase: Bump sigs.k8s.io/controller-runtime

Bumps [sigs.k8s.io/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime) from 0.15.1-0.20230524200249-30eae58f1b98 to 0.15.1.
- [Release notes](https://github.com/kubernetes-sigs/controller-runtime/releases)
- [Changelog](https://github.com/kubernetes-sigs/controller-runtime/blob/main/RELEASE.md)
- [Commits](https://github.com/kubernetes-sigs/controller-runtime/commits/v0.15.1)

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

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

vendor/sigs.k8s.io/controller-runtime/pkg/cluster/cluster.go

@@ -179,6 +179,13 @@ func New(config *rest.Config, opts ...Option) (Cluster, error) {
 		return nil, errors.New("must specify Config")
 	}
 
+	originalConfig := config
+
+	config = rest.CopyConfig(config)
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+
 	options := Options{}
 	for _, opt := range opts {
 		opt(&options)
@@ -275,7 +282,7 @@ func New(config *rest.Config, opts ...Option) (Cluster, error) {
 	}
 
 	return &cluster{
-		config:           config,
+		config:           originalConfig,
 		httpClient:       options.HTTPClient,
 		scheme:           options.Scheme,
 		cache:            cache,