Use any instead of interface{} (#20577)

* replace interface{} with any

api4/plugin_test.go

@@ -342,7 +342,7 @@ func TestNotifyClusterPluginEvent(t *testing.T) {
 		for {
 			select {
 			case resp := <-webSocketClient.EventChannel:
-				if resp.EventType() == model.WebsocketEventPluginStatusesChanged && len(resp.GetData()["plugin_statuses"].([]interface{})) == 0 {
+				if resp.EventType() == model.WebsocketEventPluginStatusesChanged && len(resp.GetData()["plugin_statuses"].([]any)) == 0 {
 					done <- true
 					return
 				}