go.*: Update k8s packages

- update k8s client_go
 - update k8s apiextensions-apiserver
 - update k8s controller-tools

Signed-off-by: leonnicolas <leonloechner@gmx.de>

vendor/k8s.io/api/policy/v1beta1/generated.proto

@@ -105,6 +105,8 @@ message IDRange {
 
 // PodDisruptionBudget is an object to define the max disruption that can be caused to a collection of pods
 message PodDisruptionBudget {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
   // +optional
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
@@ -119,9 +121,12 @@ message PodDisruptionBudget {
 
 // PodDisruptionBudgetList is a collection of PodDisruptionBudgets.
 message PodDisruptionBudgetList {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
   // +optional
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
 
+  // items list individual PodDisruptionBudget objects
   repeated PodDisruptionBudget items = 2;
 }
 
@@ -139,7 +144,6 @@ message PodDisruptionBudgetSpec {
   // A null selector selects no pods.
   // An empty selector ({}) also selects no pods, which differs from standard behavior of selecting all pods.
   // In policy/v1, an empty selector will select all pods in the namespace.
-  // +patchStrategy=replace
   // +optional
   optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;