Fix lint issues

Signed-off-by: Todd Short <tshort@redhat.com>

Author: tmshort

internal/operator-controller/rukpak/render/certproviders/certmanager.go

@@ -161,7 +161,7 @@ func (p CertManagerCertificateProvider) AdditionalObjects(cfg render.Certificate
 				fmt.Sprintf("%s.%s.svc", cfg.ServiceName, cfg.Namespace),
 				fmt.Sprintf("%s.%s.svc.cluster.local", cfg.ServiceName, cfg.Namespace),
 			},
-			IssuerRef: certmanagermetav1.ObjectReference{
+			IssuerRef: certmanagermetav1.IssuerReference{
 				Name: issuer.GetName(),
 			},
 			Duration: &metav1.Duration{

internal/operator-controller/rukpak/render/certproviders/certmanager_test.go

@@ -136,7 +136,7 @@ func Test_CertManagerProvider_AdditionalObjects(t *testing.T) {
 					"webhook-service.namespace.svc",
 					"webhook-service.namespace.svc.cluster.local",
 				},
-				IssuerRef: certmanagermetav1.ObjectReference{
+				IssuerRef: certmanagermetav1.IssuerReference{
 					Name: "cert-name-selfsigned-issuer",
 				},
 				Duration: &metav1.Duration{