cros_mark_as_stable: allow chromeos-ci-release@ commits

BUG=b:180525904
TEST=unit tests pass

Change-Id: Ifa6572a386bbdf1d78f5512acea2b1a0175365ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2953061
Tested-by: LaMont Jones <lamontjones@chromium.org>
Auto-Submit: LaMont Jones <lamontjones@chromium.org>
Reviewed-by: Sean McAllister <smcallis@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/cros_mark_as_stable_unittest.py b/scripts/cros_mark_as_stable_unittest.py
index f1f8cf0..b8aeba4 100644
--- a/scripts/cros_mark_as_stable_unittest.py
+++ b/scripts/cros_mark_as_stable_unittest.py
@@ -66,7 +66,7 @@
 
     cmd = [
         'log', '--format=short', '--perl-regexp', '--author',
-        '^(?!chrome-bot|chromeos-ci-prod)',
+        '^(?!chrome-bot|chromeos-ci-prod|chromeos-ci-release)',
         'refs/remotes/gerrit/master..%s' % self._branch
     ]