Update kubernetes projects version in vendor to 1.12.1

vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1/deepcopy.go

@@ -16,6 +16,8 @@ limitations under the License.
 
 package v1beta1
 
+import "k8s.io/apimachinery/pkg/runtime"
+
 func (in *TableRow) DeepCopy() *TableRow {
 	if in == nil {
 		return nil
@@ -26,7 +28,7 @@ func (in *TableRow) DeepCopy() *TableRow {
 	if in.Cells != nil {
 		out.Cells = make([]interface{}, len(in.Cells))
 		for i := range in.Cells {
-			out.Cells[i] = deepCopyJSON(in.Cells[i])
+			out.Cells[i] = runtime.DeepCopyJSONValue(in.Cells[i])
 		}
 	}
 
@@ -40,22 +42,3 @@ func (in *TableRow) DeepCopy() *TableRow {
 	in.Object.DeepCopyInto(&out.Object)
 	return out
 }
-
-func deepCopyJSON(x interface{}) interface{} {
-	switch x := x.(type) {
-	case map[string]interface{}:
-		clone := make(map[string]interface{}, len(x))
-		for k, v := range x {
-			clone[k] = deepCopyJSON(v)
-		}
-		return clone
-	case []interface{}:
-		clone := make([]interface{}, len(x))
-		for i := range x {
-			clone[i] = deepCopyJSON(x[i])
-		}
-		return clone
-	default:
-		return x
-	}
-}