add ani to codeowners and maintainers (opensearch-project#1614)

Signed-off-by: Derek Ho <dxho@amazon.com>

.github/CODEOWNERS

@@ -1,2 +1,2 @@
 # This should match the owning team set up in https://github.com/orgs/opensearch-project/teams
-*   @pjfitzgibbons @ps48 @kavithacm @derek-ho @joshuali925 @dai-chen @YANG-DB @rupal-bq @mengweieric @vamsi-amazon @swiddis @penghuo @seankao-az @MaxKsyunz @Yury-Fridlyand @forestmvey @GumpacG @acarbonetto
+*   @pjfitzgibbons @ps48 @kavithacm @derek-ho @joshuali925 @dai-chen @YANG-DB @rupal-bq @mengweieric @vamsi-amazon @swiddis @penghuo @seankao-az @MaxKsyunz @Yury-Fridlyand @anirudha @forestmvey @acarbonetto @GumpacG

MAINTAINERS.md

@@ -24,13 +24,13 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 | Andrew Carbonetto | [acarbonetto](https://github.com/acarbonetto)       | Improving   |
 | Forest Vey        | [forestmvey](https://github.com/forestmvey)         | Improving   |
 | Guian Gumpac      | [GumpacG](https://github.com/GumpacG)               | Improving   |
+| Anirudha Jadhav   | [anirudha](https://github.com/anirudha)             | Amazon      |
 
 ## Emeritus Maintainers
 
 | Maintainer        | GitHub ID                                               | Affiliation |
 | ----------------- | ------------------------------------------------------- | ----------- |
 | Charlotte Henkle  | [CEHENKLE](https://github.com/CEHENKLE)                 | Amazon      |
-| Anirudha Jadhav   | [anirudha](https://github.com/anirudha)                 | Amazon      |
 | Nick Knize        | [nknize](https://github.com/nknize)                     | Amazon      |
 | David Cui         | [davidcui1225](https://github.com/davidcui1225)         | Amazon      |
 | Eugene Lee        | [eugenesk24](https://github.com/eugenesk24)             | Amazon      |