Add Jay Deng as a maintainer (#13773)

Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

.github/CODEOWNERS

@@ -1,5 +1,5 @@
 # CODEOWNERS manages notifications, not PR approvals
-# For PR approvals see /.github/workflows/maintainer-approval.yml 
+# For PR approvals see /.github/workflows/maintainer-approval.yml
 
 # Files have a single rule applied, the last match decides the owner
 # If you would like to more specifically apply ownership, include existing owner in new sub fields
@@ -24,4 +24,4 @@
 
 /.github/ @peternied
 
-/MAINTAINERS.md @anasalkouz @andrross @Bukhtawar @CEHENKLE @dblock @dbwiddis @dreamer-89 @gbbafna @kotwanikunal @mch2 @msfroh @nknize @owaiskazi19 @peternied @reta @Rishikesh1159 @sachinpkale @saratvemulapalli @shwetathareja @sohami @tlfeng @VachaShah
+/MAINTAINERS.md @anasalkouz @andrross @Bukhtawar @CEHENKLE @dblock @dbwiddis @dreamer-89 @gbbafna @jed326 @kotwanikunal @mch2 @msfroh @nknize @owaiskazi19 @peternied @reta @Rishikesh1159 @sachinpkale @saratvemulapalli @shwetathareja @sohami @tlfeng @VachaShah

MAINTAINERS.md

@@ -14,6 +14,7 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 | Dan Widdis               | [dbwiddis](https://github.com/dbwiddis)                 | Amazon      |
 | Daniel "dB." Doubrovkine | [dblock](https://github.com/dblock)                     | Amazon      |
 | Gaurav Bafna             | [gbbafna](https://github.com/gbbafna)                   | Amazon      |
+| Jay Deng                 | [jed326](https://github.com/jed326)                     | Amazon      |
 | Kunal Kotwani            | [kotwanikunal](https://github.com/kotwanikunal)         | Amazon      |
 | Marc Handalian           | [mch2](https://github.com/mch2)                         | Amazon      |
 | Michael Froh             | [msfroh](https://github.com/msfroh)                     | Amazon      |