Add RBAC annotation for Services to InstanceHA controller

The controller creates a metrics Service but was missing the
kubebuilder RBAC marker for core/services.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: lmiccini

internal/controller/instanceha/instanceha_controller.go

@@ -81,6 +81,7 @@ func (r *Reconciler) GetLogger(ctx context.Context) logr.Logger {
 // +kubebuilder:rbac:groups=instanceha.openstack.org,resources=instancehas/finalizers,verbs=update;patch
 // +kubebuilder:rbac:groups=core,resources=configmaps,verbs=get;list;watch;
 // +kubebuilder:rbac:groups=core,resources=secrets,verbs=get;list;watch;
+// +kubebuilder:rbac:groups=core,resources=services,verbs=get;list;watch;create;update;patch;delete
 // +kubebuilder:rbac:groups=k8s.cni.cncf.io,resources=network-attachment-definitions,verbs=get;list;watch
 // service account, role, rolebinding
 // +kubebuilder:rbac:groups="",resources=serviceaccounts,verbs=get;list;watch;create;update;patch