update vendor

Signed-off-by: Roland.Ma <rolandma@yunify.com>

vendor/sigs.k8s.io/controller-runtime/pkg/certwatcher/doc.go

@@ -0,0 +1,23 @@
+/*
+Copyright 2021 The Kubernetes 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 certwatcher is a helper for reloading Certificates from disk to be used
+with tls servers. It provides a helper func `GetCertificate` which can be
+called from `tls.Config` and passed into your tls.Listener. For a detailed
+example server view pkg/webhook/server.go.
+*/
+package certwatcher