bisect-kit: turn on "-v" option in command "repo sync"

repo sync hang sometimes (seems when there are new repo version).
We need more log to understand what is going on.

BUG=b:332200004
TEST=setup_cros_bisect.py sync && /run_formatters.sh && ./run_test.sh

Change-Id: I7fcabf91222d1d478726d77de48180e46866b0c6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/bisect-kit/+/5400874
Reviewed-by: MD Nayeem Jahan Rafi <njrafi@chromium.org>
Commit-Queue: Cheng-Yu Lee <cylee@google.com>
Tested-by: Cheng-Yu Lee <cylee@google.com>
1 file changed