process: passing -1 to setuid/setgid should not abort

Fixes: https://github.com/nodejs/node/issues/32750


Signed-off-by: James M Snell <jasnell@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/36786


Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Harshitha K P <harshitha014@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>