Vendor: Update k8s version

Signed-off-by: Michał Żyłowski <michal.zylowski@intel.com>

vendor/k8s.io/kubernetes/pkg/volume/plugins.go

@@ -23,6 +23,7 @@ import (
 	"sync"
 
 	"github.com/golang/glog"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
 	utilerrors "k8s.io/apimachinery/pkg/util/errors"
 	"k8s.io/apimachinery/pkg/util/validation"
@@ -212,8 +213,11 @@ type VolumeHost interface {
 	// Returns host IP or nil in the case of error.
 	GetHostIP() (net.IP, error)
 
-	// Returns node allocatable
+	// Returns node allocatable.
 	GetNodeAllocatable() (v1.ResourceList, error)
+
+	// Returns a function that returns a secret.
+	GetSecretFunc() func(namespace, name string) (*v1.Secret, error)
 }
 
 // VolumePluginMgr tracks registered plugins.
@@ -529,9 +533,9 @@ func (pm *VolumePluginMgr) FindAttachablePluginByName(name string) (AttachableVo
 func NewPersistentVolumeRecyclerPodTemplate() *v1.Pod {
 	timeout := int64(60)
 	pod := &v1.Pod{
-		ObjectMeta: v1.ObjectMeta{
+		ObjectMeta: metav1.ObjectMeta{
 			GenerateName: "pv-recycler-",
-			Namespace:    v1.NamespaceDefault,
+			Namespace:    metav1.NamespaceDefault,
 		},
 		Spec: v1.PodSpec{
 			ActiveDeadlineSeconds: &timeout,