doc: add Rafael to the tsc

Refs: nodejs/TSC#1308

Signed-off-by: Michael Dawson <mdawson@devrus.com>
PR-URL: #45691
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

README.md

@@ -184,6 +184,8 @@ For information about the governance of the Node.js project, see
   **Matteo Collina** <<matteo.collina@gmail.com>> (he/him)
 * [mhdawson](https://github.com/mhdawson) -
   **Michael Dawson** <<midawson@redhat.com>> (he/him)
+* [RafaelGSS](https://github.com/RafaelGSS) -
+  **Rafael Gonzaga** <<rafael.nunu@hotmail.com>> (he/him)
 * [RaisinTen](https://github.com/RaisinTen) -
   **Darshan Sen** <<raisinten@gmail.com>> (he/him)
 * [richardlau](https://github.com/richardlau) -