deps: upgrade to libuv 1.31.0

Notable changes:

- UV_FS_O_FILEMAP has been added for faster access to memory
  mapped files on Windows.
- uv_fs_mkdir() now returns UV_EINVAL for invalid filenames
  on Windows. It previously returned UV_ENOENT.
- The uv_fs_statfs() API has been added.
- The uv_os_environ() and uv_os_free_environ() APIs have
  been added.

Fixes: https://github.com/nodejs/node/issues/28599
Fixes: https://github.com/nodejs/node/issues/28945
Fixes: https://github.com/nodejs/node/issues/29008
PR-URL: https://github.com/nodejs/node/pull/29070
Backport-PR-URL: https://github.com/nodejs/node/pull/31969


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>