module: runtime deprecate "main" index and extension lookups

PR-URL: https://github.com/nodejs/node/pull/37206


Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>