Update dependencies to kubernetes v1.13.0-alpha.1

Change-Id: I52caf73749d558383860a9b025f71dd9d5271c1d

Gopkg.toml

@@ -64,23 +64,23 @@ ignored = [
 
 [[constraint]]
   name = "k8s.io/api"
-  version = "kubernetes-1.12.0"
+  version = "kubernetes-1.13.0-alpha.1"
 
 [[constraint]]
   name = "k8s.io/apiextensions-apiserver"
-  version = "kubernetes-1.12.0"
+  version = "kubernetes-1.13.0-alpha.1"
 
 [[constraint]]
   name = "k8s.io/apimachinery"
-  version = "kubernetes-1.12.0"
+  version = "kubernetes-1.13.0-alpha.1"
 
 [[constraint]]
   name = "k8s.io/client-go"
-  version = "kubernetes-1.12.0"
+  version = "v9.0.0"
 
 [[constraint]]
   name = "k8s.io/kubernetes"
-  version = "v1.12.0"
+  version = "v1.13.0-alpha.1"
 
 # https://github.com/kubernetes/kubernetes/blob/v1.12.0-beta.1/Godeps/Godeps.json#L3213
 [[override]]

lib/controller/controller.go

@@ -53,7 +53,7 @@ import (
 	ref "k8s.io/client-go/tools/reference"
 	"k8s.io/client-go/util/workqueue"
 	"k8s.io/kubernetes/pkg/apis/core/v1/helper"
-	utilversion "k8s.io/kubernetes/pkg/util/version"
+	utilversion "k8s.io/apimachinery/pkg/util/version"
 )
 
 // annClass annotation represents the storage class associated with a resource:

lib/controller/controller_test.go

@@ -38,7 +38,7 @@ import (
 	testclient "k8s.io/client-go/testing"
 	"k8s.io/client-go/tools/cache"
 	ref "k8s.io/client-go/tools/reference"
-	utilversion "k8s.io/kubernetes/pkg/util/version"
+	utilversion "k8s.io/apimachinery/pkg/util/version"
 )
 
 const (