Merge pull request #27293 from caesarxuchao/add-patch-to-clientset

Automatic merge from submit-queue

[client-gen]Add Patch to clientset

* add the Patch() method to the clientset. 
* I have to rename the existing Patch() method of `Event` to PatchWithEventNamespace() to avoid overriding.
* some minor changes to the fake Patch action.

cc @Random-Liu since he asked for the method
@kubernetes/sig-api-machinery 

ref #26580 

```release-note
Add the Patch method to the generated clientset.
```

pkg/controller/node/nodecontroller_test.go

@@ -166,6 +166,10 @@ func (m *FakeNodeHandler) Watch(opts api.ListOptions) (watch.Interface, error) {
 	return nil, nil
 }
 
+func (m *FakeNodeHandler) Patch(name string, pt api.PatchType, data []byte) (*api.Node, error) {
+	return nil, nil
+}
+
 func TestMonitorNodeStatusEvictPods(t *testing.T) {
 	fakeNow := unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC)
 	evictionTimeout := 10 * time.Minute