Release python-watcherclient for wallaby

Propose a release for python-watcherclient for wallaby,
even if no change really warrants it, as we need a tag
to start the stable branch from.

$ git log --oneline --no-merges 3.1.1..6a33b44
41feafc Remove install unnecessary packages
e1bcc5f Add Python3 wallaby unit tests

Signed-off-by: Thierry Carrez <thierry@openstack.org>
Change-Id: Ic8f35f1acb5a263cd6c145de2209b3ac5011b272

deliverables/wallaby/python-watcherclient.yaml

@@ -6,3 +6,11 @@ team: watcher
 type: client-library
 repository-settings:
   openstack/python-watcherclient: {}
+releases:
+  - version: 3.2.0
+    projects:
+      - repo: openstack/python-watcherclient
+        hash: 6a33b44d7f989043e448030c518210744b35a08e
+branches:
+  - name: stable/wallaby
+    location: 3.2.0