release oslo.messaging 12.1.4 - 2020-09-01

I released a bugfix version even if a new option have been added [1]
because 12.2.x is already consumed by victoria.

Although this adds a new option, it's just a gate on a
bug fix to ensure we don't have unintended side effects. That actually
makes this backport safer than if it just unconditionally enabled the
fix.

[1] https://review.opendev.org/#/c/747366/

Change-Id: Ifed5068d5762d241233e84bf419d586f9a2b39ed

deliverables/ussuri/oslo.messaging.yaml

@@ -47,6 +47,10 @@ releases:
     projects:
       - repo: openstack/oslo.messaging
         hash: 360deb89a7e95d332267564b486219e389a793f7
+  - version: 12.1.4
+    projects:
+      - repo: openstack/oslo.messaging
+        hash: 0a432c7fb107d04f7a41199fe9a8c4fbd344d009
 branches:
   - name: feature/nats-driver
     location: