build: add option to hide console window

Adds a Environment flag to allow embedders to set CREATE_NO_WINDOW
property when spawning processes, which is useful for GUI programs
that do not want to show console windows when running terminal
commands.

PR-URL: https://github.com/nodejs/node/pull/39712


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Shelley Vohr <shelley.vohr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>