update vendor to use containerd cgroups

vendor/github.com/containerd/cgroups/state.go

@@ -0,0 +1,28 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package cgroups
+
+// State is a type that represents the state of the current cgroup
+type State string
+
+const (
+	Unknown  State = ""
+	Thawed   State = "thawed"
+	Frozen   State = "frozen"
+	Freezing State = "freezing"
+	Deleted  State = "deleted"
+)