add maintainer (#14009)

Signed-off-by: KongZ <goonohc@gmail.com>

stable/elasticsearch/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: elasticsearch
 home: https://www.elastic.co/products/elasticsearch
-version: 1.28.2
+version: 1.28.4
 appVersion: 6.7.0
 description: Flexible and powerful open source, distributed real-time search and analytics
   engine.
@@ -22,5 +22,7 @@ maintainers:
   email: pete.brown@powerhrg.com
 - name: desaintmartin
   email: cedric@desaintmartin.fr
+- name: KongZ
+  email: goonohc@gmail.com
 - name: hectorj2f
   email: hfernandez@mesosphere.com

stable/elasticsearch/OWNERS

@@ -3,6 +3,7 @@ approvers:
 - icereval
 - rendhalver
 - desaintmartin
+- KongZ
 - Towmeykaw
 - hectorj2f
 reviewers:
@@ -10,5 +11,6 @@ reviewers:
 - icereval
 - rendhalver
 - desaintmartin
+- KongZ
 - Towmeykaw
 - hectorj2f