nodejs/node

Notable changes:

- uv_random() has been added.
- More work to read those pesky Windows
  environment variables.
- Several build fixes for Tier 3 platforms (Android,
  NetBSD, OpenBSD, Haiku).
- Stop using fsevents to watch files (using kqueue again).

PR-URL: #29996
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>