Modernize for Go 1.26 (#232)

This change replaces all uses of pointer utils with the new `new`
function which does the same job.

Signed-off-by: Philip Laine <philip.laine@gmail.com>

internal/controller/setupkey_controller.go

@@ -12,7 +12,6 @@ import (
 	corev1 "k8s.io/api/core/v1"
 	kerrors "k8s.io/apimachinery/pkg/api/errors"
 	corev1ac "k8s.io/client-go/applyconfigurations/core/v1"
-	"k8s.io/utils/ptr"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
@@ -126,9 +125,9 @@ func (r *SetupKeyReconciler) Reconcile(ctx context.Context, req ctrl.Request) (c
 		expiresIn = int(setupKey.Spec.Duration.Seconds())
 	}
 	setupKeyReq := api.PostApiSetupKeysJSONRequestBody{
-		AllowExtraDnsLabels: ptr.To(false),
+		AllowExtraDnsLabels: new(false),
 		AutoGroups:          autoGroupIDs,
-		Ephemeral:           ptr.To(setupKey.Spec.Ephemeral),
+		Ephemeral:           new(setupKey.Spec.Ephemeral),
 		ExpiresIn:           expiresIn,
 		Name:                setupKey.Spec.Name,
 		Type:                "reusable",