Log Message:
libuv: updated to 1.29.0

v1.29.0:
Changes since version 1.28.0:
* ibmi: read memory and CPU usage info
* doc: update the cmake testing instruction
* unix: fix race condition in uv_async_send()
* linux: use O_CLOEXEC instead of EPOLL_CLOEXEC
* doc: mark uv_async_send() as async-signal-safe
* linux: init st_flags and st_gen when using statx
* linux: read free/total memory from /proc/meminfo
* test: test zero-sized uv_fs_sendfile() writes
* unix: don't assert on UV_PROCESS_WINDOWS_* flags
* linux: set correct mac address for IP-aliases
* win,util: fix null pointer dereferencing
* unix,win: fix `uv_fs_poll_stop()` when active
* doc: add missing uv_fs_type entries
* doc: fix build with sphinx 2.x
* unix: don't make statx system call on Android
* unix: fix clang scan-build warning
* unix: fall back to kqueue on older macOS systems
* unix,win: add uv_get_constrained_memory()
* darwin: fix thread cancellation fd leak
* linux: fix thread cancellation fd leak