Update go mod and vendor in client dir to 0.28.0

client/vendor/k8s.io/api/apps/v1/generated.proto

@@ -127,6 +127,7 @@ message DaemonSetSpec {
   // The DaemonSet will create exactly one copy of this pod on every node
   // that matches the template's node selector (or on every node if no node
   // selector is specified).
+  // The only allowed template.spec.restartPolicy value is "Always".
   // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template
   optional k8s.io.api.core.v1.PodTemplateSpec template = 2;
 
@@ -277,6 +278,7 @@ message DeploymentSpec {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;
 
   // Template describes the pods that will be created.
+  // The only allowed template.spec.restartPolicy value is "Always".
   optional k8s.io.api.core.v1.PodTemplateSpec template = 3;
 
   // The deployment strategy to use to replace existing pods with new ones.
@@ -675,6 +677,7 @@ message StatefulSetSpec {
   // of the StatefulSet. Each pod will be named with the format
   // <statefulsetname>-<podindex>. For example, a pod in a StatefulSet named
   // "web" with index number "3" would be named "web-3".
+  // The only allowed template.spec.restartPolicy value is "Always".
   optional k8s.io.api.core.v1.PodTemplateSpec template = 3;
 
   // volumeClaimTemplates is a list of claims that pods are allowed to reference.
@@ -735,7 +738,7 @@ message StatefulSetSpec {
   // default ordinals behavior assigns a "0" index to the first replica and
   // increments the index by one for each additional replica requested. Using
   // the ordinals field requires the StatefulSetStartOrdinal feature gate to be
-  // enabled, which is alpha.
+  // enabled, which is beta.
   // +optional
   optional StatefulSetOrdinals ordinals = 11;
 }