Updating Samuel Herman information.

Signed-off-by: Dmitri Goroh <dmitri.goroh@oracle.com>

.github/CODEOWNERS

@@ -1,2 +1,2 @@
 # This should match the team set up in https://github.com/orgs/opensearch-project/teams and include any additional contributors
-*   @samuel-oci @VachaShah @anasalkouz @dmitri-goroh-oracle
+*   @sam-herman @VachaShah @anasalkouz @dmitri-goroh-oracle

MAINTAINERS.md

@@ -4,12 +4,12 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 
 ## Current Maintainers
 
-| Maintainer   | GitHub ID                                                     | Affiliation |
-|--------------|---------------------------------------------------------------|-------------|
-| Samuel       | [samuel-oci](https://github.com/samuel-oci)                   | Oracle      |
-| Vacha Shah   | [VachaShah](https://github.com/VachaShah)                     | Amazon      |
-| Anas Alkouz  | [anasalkouz](https://github.com/anasalkouz)                   | Amazon      |
-| Dmitri Goroh | [dmitri-goroh-oracle](https://github.com/dmitri-goroh-oracle) | Oracle      |
+| Maintainer    | GitHub ID                                                     | Affiliation |
+|---------------|---------------------------------------------------------------|-------------|
+| Samuel Herman | [sam-herman](https://github.com/sam-herman)                   | Individual      |
+| Vacha Shah    | [VachaShah](https://github.com/VachaShah)                     | Amazon      |
+| Anas Alkouz   | [anasalkouz](https://github.com/anasalkouz)                   | Amazon      |
+| Dmitri Goroh  | [dmitri-goroh-oracle](https://github.com/dmitri-goroh-oracle) | Oracle      |
 
 ## Emeritus