Update a few dependencies

github.com/go-openapi/*
github.com/asaskevich/govalidator

vendor/github.com/go-openapi/analysis/internal/BUILD

@@ -0,0 +1,26 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "post_go18.go",
+        "pre_go18.go",
+    ],
+    importmap = "k8s.io/kubernetes/vendor/github.com/go-openapi/analysis/internal",
+    importpath = "github.com/go-openapi/analysis/internal",
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/github.com/go-openapi/analysis/internal/post_go18.go

@@ -0,0 +1,29 @@
+// +build go1.8
+
+// Copyright 2015 go-swagger maintainers
+//
+// 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 internal
+
+import "net/url"
+
+// PathUnescape provides url.PathUnescape(), with seamless
+// go version support for pre-go1.8
+//
+// TODO: this function is currently defined in go-openapi/swag,
+// but unexported. We might chose to export it, or simple phase
+// out pre-go1.8 support.
+func PathUnescape(path string) (string, error) {
+	return url.PathUnescape(path)
+}

vendor/github.com/go-openapi/analysis/internal/pre_go18.go

@@ -0,0 +1,29 @@
+// +build !go1.8
+
+// Copyright 2015 go-swagger maintainers
+//
+// 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 internal
+
+import "net/url"
+
+// PathUnescape provides url.PathUnescape(), with seamless
+// go version support for pre-go1.8
+//
+// TODO: this function is currently defined in go-openapi/swag,
+// but unexported. We might chose to export it, or simple phase
+// out pre-go1.8 support.
+func PathUnescape(path string) (string, error) {
+	return url.QueryUnescape(path)
+}