Rename IRC channel of container service

Rename #openstack-higgins to #openstack-zun

Change-Id: I5a8590c136548377340abfdd870489847ed3d5e5
Depends-On: Ia3d7c067892c5a26f752a0af2449b769c05bb908

hiera/common.yaml

@@ -63,7 +63,6 @@ statusbot_channels:
 - openstack-glance
 - openstack-ha
 - openstack-heat-translator
-- openstack-higgins
 - openstack-horizon
 - openstack-hyper-v
 - openstack-i18n
@@ -104,6 +103,7 @@ statusbot_channels:
 - openstack-vitrage
 - openstack-zaqar
 - openstack-zephyr
+- openstack-zun
 - puppet-openstack
 - rdo
 - refstack
@@ -146,7 +146,6 @@ meetbot_channels:
 - '#openstack-gslb'
 - '#openstack-ha'
 - '#openstack-heat-translator'
-- '#openstack-higgins'
 - '#openstack-horizon'
 - '#openstack-i18n'
 - '#openstack-infra'
@@ -203,6 +202,7 @@ meetbot_channels:
 - '#openstack-watcher'
 - '#openstack-zaqar'
 - '#openstack-zephyr'
+- '#openstack-zun'
 - '#osic'
 - '#puppet-openstack'
 - '#rdo'