process: correctly parse Unicode in NODE_OPTIONS

Fixes an issue on Windows, where Unicode in NODE_OPTIONS was not parsed
correctly.

Fixes: https://github.com/nodejs/node/issues/34399

PR-URL: https://github.com/nodejs/node/pull/34476


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>