Update tempest stable branch testing

Victoria will go into extended maintenace on April 27th and Ussuri is already in extended maintenance. Let's stop testing our tempest plugin against those versions and add stable branch testing for yoga.

Change-Id: Iee03db1fc06c4cdde66126b5338b9dbb585b622b
diff --git a/.zuul.yaml b/.zuul.yaml
index cf8323b..73a92ad 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -1,4 +1,9 @@
 - job:
+    name: designate-bind9-stable-yoga
+    parent: designate-bind9
+    override-checkout: stable/yoga
+
+- job:
     name: designate-bind9-stable-xena
     parent: designate-bind9
     override-checkout: stable/xena
@@ -8,16 +13,6 @@
     parent: designate-bind9
     override-checkout: stable/wallaby
 
-- job:
-    name: designate-bind9-stable-victoria
-    parent: designate-bind9
-    override-checkout: stable/victoria
-
-- job:
-    name: designate-bind9-stable-ussuri
-    parent: designate-bind9
-    override-checkout: stable/ussuri
-
 - project:
     templates:
       - designate-devstack-jobs
@@ -27,10 +22,9 @@
       - release-notes-jobs-python3
     check:
       jobs:
+        - designate-bind9-stable-yoga
         - designate-bind9-stable-xena
         - designate-bind9-stable-wallaby
-        - designate-bind9-stable-victoria
-        - designate-bind9-stable-ussuri
         - neutron-tempest-plugin-designate-scenario
     gate:
       queue: designate