doc: add meixg to triagers

PR-URL: #42066
Reviewed-By: Qingyu Deng <i@ayase-lab.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Harshitha K P <harshitha014@gmail.com>
Reviewed-By: Akhil Marsonya <akhil.marsonya27@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>

README.md

@@ -650,6 +650,8 @@ maintaining the Node.js project.
   **Frank Qiu** <<iam.frankqiu@gmail.com>> (he/him)
 * [marsonya](https://github.com/marsonya) -
   **Akhil Marsonya** <<akhil.marsonya27@gmail.com>> (he/him)
+* [meixg](https://github.com/meixg) -
+  **Xuguang Mei** <<meixg@foxmail.com>> (he/him)
 * [Mesteery](https://github.com/Mesteery) -
   **Mestery** <<mestery@protonmail.com>> (he/him)
 * [PoojaDurgad](https://github.com/PoojaDurgad) -