doc: add kvakil to collaborators

...and remove them triagers

Fixes: nodejs#48155
PR-URL: nodejs#48449
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

README.md

@@ -377,6 +377,8 @@ For information about the governance of the Node.js project, see
   **Matthew Aitken** <<maitken033380023@gmail.com>> (he/him)
 * [kuriyosh](https://github.com/kuriyosh) -
   **Yoshiki Kurihara** <<yosyos0306@gmail.com>> (he/him)
+* [kvakil](https://github.com/kvakil) -
+  **Keyhan Vakil** <<kvakil@sylph.kvakil.me>>
 * [legendecas](https://github.com/legendecas) -
   **Chengzhong Wu** <<legendecas@gmail.com>> (he/him)
 * [Leko](https://github.com/Leko) -
@@ -705,8 +707,6 @@ maintaining the Node.js project.
   **Himadri Ganguly** <<himadri.tech@gmail.com>> (he/him)
 * [iam-frankqiu](https://github.com/iam-frankqiu) -
   **Frank Qiu** <<iam.frankqiu@gmail.com>> (he/him)
-* [kvakil](https://github.com/kvakil) -
-  **Keyhan Vakil** <<kvakil@sylph.kvakil.me>> (they/them)
 * [marsonya](https://github.com/marsonya) -
   **Akhil Marsonya** <<akhil.marsonya27@gmail.com>> (he/him)
 * [meixg](https://github.com/meixg) -