Release python-openstackclient 3.14.2 (stable/queens)

This contains a change needed to enable novaclient (that supports the
volume multi-attach feature in queens) to work together with
openstackclient for the queens release.

Once openstackclient is released, we can propose an update of the
novaclient constraints from 9.1.1 => 10.1.0 to enable users to be able
to use the volume multi-attach feature in nova out-of-the-box when they
install the queens release of openstack.

Change-Id: Ic84cf5f4c7ea358a201c0e23cd4135dafbe680d8

deliverables/queens/python-openstackclient.yaml

@@ -20,6 +20,10 @@ releases:
     projects:
       - repo: openstack/python-openstackclient
         hash: a3caf7b331709d76fc6aec5222c60688fd6112a9
+  - projects:
+      - hash: 6c8967dc8eeea1d64b8b7a17bee1f8d1aa647bed
+        repo: openstack/python-openstackclient
+    version: 3.14.2
 release-notes: https://docs.openstack.org/releasenotes/python-openstackclient/queens.html
 repository-settings:
   openstack/python-openstackclient: {}