doc: update Forrest Norvell's pronouns

Even though I'm only an emeritus at this point, because I'm on the
moderation team, people within the organization might want to know my
pronouns. Since I now identify as nonbinary, those pronouns have
changed. Updating the emeritus list accordingly!

PR-URL: https://github.com/nodejs/node/pull/40292


Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>