meta: move Forrest Norvell to Collaborator Emeriti list

Consulted with Forrest. He thought this was appropriate as long as it
doesn't affect his ability to be on the Moderation Team.

PR-URL: https://github.com/nodejs/node/pull/27437


Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Forrest L Norvell <ogd@aoaioxxysz.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Weijia Wang <starkwang@126.com>