build: add redirect aliases for cjs

[Shinigami92]

Our package.jsons exports field seems not to work for any case 🤔
This creates a locale/<locale>.js file for every locale when bundling for cjs so node/npm versions that does not support the exports field can use these redirects.

At least this should work for now and we can release a 6.0.0 soon

[codecov]

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[Shinigami92]

Tested successfully with my locale playground against esm and cjs + with json-schema-faker

[ST-DDT]

Should we do the same for locales?

[Shinigami92]

Should we do the same for locales?

locales is not exported from the package.json

This is only for usage of

1. require(@faker-js/faker) (package.json ->

   faker/package.json

   Line 24 in 9138ea0

   "main": "dist/cjs/index.js",

   )
2. require(@faker-js/faker/locale/<locale>)

everything else is not supported (currently)