Migrate hive objects to have expected v1 labels

- [x] Migrate hive objects to have expected v1 labels
- [x] Test manually
- [x] Add unit tests

contrib/cmd/hiveutil/main.go

@@ -11,6 +11,7 @@ import (
 	"github.com/openshift/hive/contrib/pkg/certificate"
 	"github.com/openshift/hive/contrib/pkg/createcluster"
 	"github.com/openshift/hive/contrib/pkg/deprovision"
+	"github.com/openshift/hive/contrib/pkg/labelobjects"
 	"github.com/openshift/hive/contrib/pkg/report"
 	"github.com/openshift/hive/contrib/pkg/testresource"
 	"github.com/openshift/hive/contrib/pkg/v1migration"
@@ -52,6 +53,7 @@ func newHiveutilCommand() *cobra.Command {
 	cmd.AddCommand(v1migration.NewV1MigrationCommand())
 	cmd.AddCommand(certificate.NewCertificateCommand())
 	cmd.AddCommand(adm.NewAdmCommand())
+	cmd.AddCommand(labelobjects.NewLabelObjectsCommand())
 
 	return cmd
 }