Adding irc notification for missing oslo projects

Change-Id: Ib03ca2e58ff746de5ef7c9abc20a85879ce489b1

gerritbot/channels.yaml

@@ -1050,12 +1050,14 @@ openstack-oslo:
     - change-merged
   projects:
     - openstack/automaton
+    - openstack/castellan
     - openstack/cookiecutter
     - openstack/debtcollector
     - openstack/devstack-plugin-amqp1
     - openstack/devstack-plugin-kafka
     - openstack/etcd3gw
     - openstack/futurist
+    - openstack/microversion-parse
     - openstack/openstack-doc-tools
     - openstack/openstackdocstheme
     - openstack/os-api-ref