Update go dependencies

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

@@ -17,7 +17,8 @@ limitations under the License.
 package volume
 
 import (
-	"k8s.io/kubernetes/pkg/api/resource"
+	"k8s.io/apimachinery/pkg/api/resource"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/kubernetes/pkg/volume/util"
 )
 
@@ -40,7 +41,7 @@ func NewMetricsDu(path string) MetricsProvider {
 // and gathering filesystem info for the Volume path.
 // See MetricsProvider.GetMetrics
 func (md *metricsDu) GetMetrics() (*Metrics, error) {
-	metrics := &Metrics{}
+	metrics := &Metrics{Time: metav1.Now()}
 	if md.path == "" {
 		return metrics, NewNoPathDefinedError()
 	}