rebase: bump k8s.io/kubernetes from 1.26.2 to 1.27.2

Bumps [k8s.io/kubernetes](https://github.com/kubernetes/kubernetes) from 1.26.2 to 1.27.2.
- [Release notes](https://github.com/kubernetes/kubernetes/releases)
- [Commits](https://github.com/kubernetes/kubernetes/compare/v1.26.2...v1.27.2)

---
updated-dependencies:
- dependency-name: k8s.io/kubernetes
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/k8s.io/kube-openapi/pkg/handler/default_pruning.go

@@ -0,0 +1,208 @@
+/*
+Copyright 2020 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 handler
+
+import "k8s.io/kube-openapi/pkg/validation/spec"
+
+// PruneDefaults remove all the defaults recursively from all the
+// schemas in the definitions, and does not modify the definitions in
+// place.
+func PruneDefaults(definitions spec.Definitions) spec.Definitions {
+	definitionsCloned := false
+	for k, v := range definitions {
+		if s := PruneDefaultsSchema(&v); s != &v {
+			if !definitionsCloned {
+				definitionsCloned = true
+				orig := definitions
+				definitions = make(spec.Definitions, len(orig))
+				for k2, v2 := range orig {
+					definitions[k2] = v2
+				}
+			}
+			definitions[k] = *s
+		}
+	}
+	return definitions
+}
+
+// PruneDefaultsSchema remove all the defaults recursively from the
+// schema in place.
+func PruneDefaultsSchema(schema *spec.Schema) *spec.Schema {
+	if schema == nil {
+		return nil
+	}
+
+	orig := schema
+	clone := func() {
+		if orig == schema {
+			schema = &spec.Schema{}
+			*schema = *orig
+		}
+	}
+
+	if schema.Default != nil {
+		clone()
+		schema.Default = nil
+	}
+
+	definitionsCloned := false
+	for k, v := range schema.Definitions {
+		if s := PruneDefaultsSchema(&v); s != &v {
+			if !definitionsCloned {
+				definitionsCloned = true
+				clone()
+				schema.Definitions = make(spec.Definitions, len(orig.Definitions))
+				for k2, v2 := range orig.Definitions {
+					schema.Definitions[k2] = v2
+				}
+			}
+			schema.Definitions[k] = *s
+		}
+	}
+
+	propertiesCloned := false
+	for k, v := range schema.Properties {
+		if s := PruneDefaultsSchema(&v); s != &v {
+			if !propertiesCloned {
+				propertiesCloned = true
+				clone()
+				schema.Properties = make(map[string]spec.Schema, len(orig.Properties))
+				for k2, v2 := range orig.Properties {
+					schema.Properties[k2] = v2
+				}
+			}
+			schema.Properties[k] = *s
+		}
+	}
+
+	patternPropertiesCloned := false
+	for k, v := range schema.PatternProperties {
+		if s := PruneDefaultsSchema(&v); s != &v {
+			if !patternPropertiesCloned {
+				patternPropertiesCloned = true
+				clone()
+				schema.PatternProperties = make(map[string]spec.Schema, len(orig.PatternProperties))
+				for k2, v2 := range orig.PatternProperties {
+					schema.PatternProperties[k2] = v2
+				}
+			}
+			schema.PatternProperties[k] = *s
+		}
+	}
+
+	dependenciesCloned := false
+	for k, v := range schema.Dependencies {
+		if s := PruneDefaultsSchema(v.Schema); s != v.Schema {
+			if !dependenciesCloned {
+				dependenciesCloned = true
+				clone()
+				schema.Dependencies = make(spec.Dependencies, len(orig.Dependencies))
+				for k2, v2 := range orig.Dependencies {
+					schema.Dependencies[k2] = v2
+				}
+			}
+			v.Schema = s
+			schema.Dependencies[k] = v
+		}
+	}
+
+	allOfCloned := false
+	for i := range schema.AllOf {
+		if s := PruneDefaultsSchema(&schema.AllOf[i]); s != &schema.AllOf[i] {
+			if !allOfCloned {
+				allOfCloned = true
+				clone()
+				schema.AllOf = make([]spec.Schema, len(orig.AllOf))
+				copy(schema.AllOf, orig.AllOf)
+			}
+			schema.AllOf[i] = *s
+		}
+	}
+
+	anyOfCloned := false
+	for i := range schema.AnyOf {
+		if s := PruneDefaultsSchema(&schema.AnyOf[i]); s != &schema.AnyOf[i] {
+			if !anyOfCloned {
+				anyOfCloned = true
+				clone()
+				schema.AnyOf = make([]spec.Schema, len(orig.AnyOf))
+				copy(schema.AnyOf, orig.AnyOf)
+			}
+			schema.AnyOf[i] = *s
+		}
+	}
+
+	oneOfCloned := false
+	for i := range schema.OneOf {
+		if s := PruneDefaultsSchema(&schema.OneOf[i]); s != &schema.OneOf[i] {
+			if !oneOfCloned {
+				oneOfCloned = true
+				clone()
+				schema.OneOf = make([]spec.Schema, len(orig.OneOf))
+				copy(schema.OneOf, orig.OneOf)
+			}
+			schema.OneOf[i] = *s
+		}
+	}
+
+	if schema.Not != nil {
+		if s := PruneDefaultsSchema(schema.Not); s != schema.Not {
+			clone()
+			schema.Not = s
+		}
+	}
+
+	if schema.AdditionalProperties != nil && schema.AdditionalProperties.Schema != nil {
+		if s := PruneDefaultsSchema(schema.AdditionalProperties.Schema); s != schema.AdditionalProperties.Schema {
+			clone()
+			schema.AdditionalProperties = &spec.SchemaOrBool{Schema: s, Allows: schema.AdditionalProperties.Allows}
+		}
+	}
+
+	if schema.AdditionalItems != nil && schema.AdditionalItems.Schema != nil {
+		if s := PruneDefaultsSchema(schema.AdditionalItems.Schema); s != schema.AdditionalItems.Schema {
+			clone()
+			schema.AdditionalItems = &spec.SchemaOrBool{Schema: s, Allows: schema.AdditionalItems.Allows}
+		}
+	}
+
+	if schema.Items != nil {
+		if schema.Items.Schema != nil {
+			if s := PruneDefaultsSchema(schema.Items.Schema); s != schema.Items.Schema {
+				clone()
+				schema.Items = &spec.SchemaOrArray{Schema: s}
+			}
+		} else {
+			itemsCloned := false
+			for i := range schema.Items.Schemas {
+				if s := PruneDefaultsSchema(&schema.Items.Schemas[i]); s != &schema.Items.Schemas[i] {
+					if !itemsCloned {
+						clone()
+						schema.Items = &spec.SchemaOrArray{
+							Schemas: make([]spec.Schema, len(orig.Items.Schemas)),
+						}
+						itemsCloned = true
+						copy(schema.Items.Schemas, orig.Items.Schemas)
+					}
+					schema.Items.Schemas[i] = *s
+				}
+			}
+		}
+	}
+
+	return schema
+}