lib: add back lib/module.js redirection

The previous commit deleted lib/module.js so that git
recognize the file move `lib/module.js` ->
`lib/internal/modules/cjs/loader.js`. This commit add the
redirection back.

Backport-PR-URL: https://github.com/nodejs/node/pull/19374
PR-URL: https://github.com/nodejs/node/pull/19177
Refs: https://github.com/nodejs/node/pull/19112


Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>