goma team will release goma client cipd in depot_tools,
by modifying cipd_manifest.txt and cipd_manifest.versions

add ukai as OWNERS so that goma cilent release won't need
to wait for review.

Change-Id: I7f49d9c07b23d18c4a05ab11bea855d3f557a6ad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2024208
Auto-Submit: Fumitoshi Ukai <ukai@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@google.com>
Reviewed-by: Andrii Shyshkalov <tandrii@google.com>