vendor: bump k8s to v0.25.4

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/github.com/emicklei/go-restful/v3/route_reader.go

@@ -0,0 +1,66 @@
+package restful
+
+// Copyright 2021 Ernest Micklei. All rights reserved.
+// Use of this source code is governed by a license
+// that can be found in the LICENSE file.
+
+type RouteReader interface {
+	Method() string
+	Consumes() []string
+	Path() string
+	Doc() string
+	Notes() string
+	Operation() string
+	ParameterDocs() []*Parameter
+	// Returns a copy
+	Metadata() map[string]interface{}
+	Deprecated() bool
+}
+
+type routeAccessor struct {
+	route *Route
+}
+
+func (r routeAccessor) Method() string {
+	return r.route.Method
+}
+func (r routeAccessor) Consumes() []string {
+	return r.route.Consumes[:]
+}
+func (r routeAccessor) Path() string {
+	return r.route.Path
+}
+func (r routeAccessor) Doc() string {
+	return r.route.Doc
+}
+func (r routeAccessor) Notes() string {
+	return r.route.Notes
+}
+func (r routeAccessor) Operation() string {
+	return r.route.Operation
+}
+func (r routeAccessor) ParameterDocs() []*Parameter {
+	return r.route.ParameterDocs[:]
+}
+
+// Returns a copy
+func (r routeAccessor) Metadata() map[string]interface{} {
+	return copyMap(r.route.Metadata)
+}
+func (r routeAccessor) Deprecated() bool {
+	return r.route.Deprecated
+}
+
+// https://stackoverflow.com/questions/23057785/how-to-copy-a-map
+func copyMap(m map[string]interface{}) map[string]interface{} {
+	cp := make(map[string]interface{})
+	for k, v := range m {
+		vm, ok := v.(map[string]interface{})
+		if ok {
+			cp[k] = copyMap(vm)
+		} else {
+			cp[k] = v
+		}
+	}
+	return cp
+}