child_process: fix handling of incorrect uid/gid in spawn

uid/gid must be uint32, which is asserted on a c++ side but wasn't
checked on a JS side and therefore resulted in a process crash.

Refs: https://github.com/nodejs/node/issues/22570

PR-URL: https://github.com/nodejs/node/pull/22574


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Weijia Wang <starkwang@126.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>