Release 1.4.1 of oslo.messaging

The pycadf gate is failing becase oslo.messaging 1.4.0 has uncapped
dependancies (specifically oslo.utils).  The current stable/juno
branch has the correct caps.  Lets release that as 1.4.2

Not 1.4.1 was tagged sometime ago but isn't in this repo

Change-Id: I062b6ce1b3dc83f37ef3391e28a656aa1514af37
Closes-Bug: 1488737

deliverables/juno/oslo.messaging.yaml

@@ -5,3 +5,7 @@ releases:
     projects:
       - repo: openstack/oslo.messaging
         hash: 6ea3b12492e86f9e8d109fc3490cc4d3a0edd8b6
+  - version: 1.4.2
+    projects:
+      - repo: openstack/oslo.messaging
+        hash: 01a789313dcf5c1eb652c2df53ce955d6bb38fd6