deps: upgrade to libuv 1.34.1

Notable changes:

- uv_fs_copyfile() now supports CIFS share destinations.
- isatty() now works on IBMi
- TTYs are opened with the O_NOCTTY flag.

Fixes: https://github.com/nodejs/node/issues/31170

PR-URL: https://github.com/nodejs/node/pull/31332
Backport-PR-URL: https://github.com/nodejs/node/pull/31969


Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>