findmissing: set CQ+1 upper bound limit

If a CL has failed for more than the limit, don't CQ+1.

BUG=b:304262148
TEST=scripts/gce/gce-ping-gerrit-cls.sh

Change-Id: I78d62341248c25ffd5d9c65639e9eb69f38c6282
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/5092851
Commit-Queue: Tzung-Bi Shih <tzungbi@chromium.org>
Tested-by: Tzung-Bi Shih <tzungbi@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
1 file changed