Add gerrit to the openstack-ci bug projects.

Change-Id: I71649621123d0dfa4de3e4445d3eb5cdb7ceac84
diff --git a/update_bug.py b/update_bug.py
index ee2d418..ab0ee2c 100755
--- a/update_bug.py
+++ b/update_bug.py
@@ -115,6 +115,7 @@
         'openstack/python-quantumclient': 'quantum',
         'openstack/openstack-ci-puppet': 'openstack-ci',
         'openstack-ci/devstack-gate': 'openstack-ci',
+        'openstack-ci/gerrit': 'openstack-ci',
         'openstack-ci/lodgeit': 'openstack-ci',
         'openstack-ci/meetbot': 'openstack-ci',
         }