Update repo owners and maintainers (opensearch-project#414)

Signed-off-by: Junqiu Lei <[email protected]>

.github/CODEOWNERS

@@ -1,2 +1,2 @@
 # This should match the list in MAINTAINERS.md.
-* @VijayanB @vamshin @junqiu-lei
+* @heemin32 @navneet1v @VijayanB @vamshin @jmazanec15 @naveentatikonda @junqiu-lei @martin-gaievski

MAINTAINERS.md

@@ -3,12 +3,16 @@
 This document contains a list of maintainers in this repo. See [opensearch-project/.github/RESPONSIBILITIES.md](https://github.com/opensearch-project/.github/blob/main/RESPONSIBILITIES.md#maintainer-responsibilities) that explains what the role of maintainer means, what maintainers do in this and other repos, and how they should be doing it. If you're interested in contributing, and becoming a maintainer, see [CONTRIBUTING](CONTRIBUTING.md).
 
 ## Current Maintainers
-
-| Maintainer              | GitHub ID                                   | Affiliation |
-|-------------------------|---------------------------------------------| ----------- |
-| Vijayan Balasubramanian | [VijayanB](https://github.com/VijayanB)     | Amazon      |
-| Vamshi Vijay Nakkirtha  | [vamshin](https://github.com/vamshin)       | Amazon      |
-| Junqiu Lei              | [junqiu-lei](https://github.com/junqiu-lei) | Amazon      |
+| Maintainer              | GitHub ID                                             | Affiliation |
+|-------------------------|-------------------------------------------------------|-------------|
+| Heemin Kim              | [heemin32](https://github.com/heemin32)               | Amazon      |
+| Jack Mazanec            | [jmazanec15](https://github.com/jmazanec15)           | Amazon      |
+| Junqiu Lei              | [junqiu-lei](https://github.com/junqiu-lei)           | Amazon      |
+| Martin Gaievski         | [martin-gaievski](https://github.com/martin-gaievski) | Amazon      |
+| Naveen Tatikonda        | [naveentatikonda](https://github.com/naveentatikonda) | Amazon      |
+| Navneet Verma           | [navneet1v](https://github.com/navneet1v)             | Amazon      |
+| Vamshi Vijay Nakkirtha  | [vamshin](https://github.com/vamshin)                 | Amazon      |
+| Vijayan Balasubramanian | [VijayanB](https://github.com/VijayanB)               | Amazon      |
 
 ## Emeritus