meta: update my collab entry

PR-URL: #35160
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Mary Marchini <oss@mmarchini.me>
Reviewed-By: Rich Trott <rtrott@gmail.com>

Author: devsnek

README.md

@@ -288,7 +288,7 @@ For information about the governance of the Node.js project, see
 * [devnexen](https://github.com/devnexen) -
 **David Carlier** <devnexen@gmail.com>
 * [devsnek](https://github.com/devsnek) -
-**Gus Caplan** <me@gus.host> (he/him)
+**Gus Caplan** <me@gus.host> (they/them)
 * [edsadr](https://github.com/edsadr) -
 **Adrian Estrada** <edsadr@gmail.com> (he/him)
 * [eugeneo](https://github.com/eugeneo) -