[Tempest] Intermediate release 31.1.0

We want to cut an intermediate release during the Zed development
cycle to make bug fixes available for plugins and other consumers.

Change-Id: Ia0be08c108605a07ef6aba24e4343125760b85c1

deliverables/zed/tempest.yaml

@@ -11,6 +11,10 @@ releases:
       - repo: openstack/tempest
         hash: abddb57fd1974c546a6228b4eb53c1d7bb69ab38
     version: 31.0.0
+  - version: 31.1.0
+    projects:
+      - repo: openstack/tempest
+        hash: 56d259dd78cc9ae974cc5dc24a54dbd8008770e6
 repository-settings:
   openstack/tempest:
     pypi-name: Tempest