Update tempest image defaults to focal

This change updates the default image values for tempest to
focal and wallaby.

Change-Id: Iea2804d45105713d7a8520865a862f6f8b6aa243

releasenotes/notes/tempest.yaml

@@ -6,4 +6,5 @@ tempest:
   - 0.2.1 Update htk requirements repo
   - 0.2.2 Add helm hook for ks job
   - 0.2.3 Fix logging config
+  - 0.2.4 Update default image values to Wallaby
 ...

tempest/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Tempest
 name: tempest
-version: 0.2.3
+version: 0.2.4
 home: https://docs.openstack.org/tempest/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/tempest/OpenStack_Project_tempest_vertical.png
 sources:

tempest/values.yaml

@@ -24,8 +24,8 @@ labels:
 images:
   tags:
     dep_check: quay.io/airshipit/kubernetes-entrypoint:v1.0.0
-    tempest_run_tests: docker.io/openstackhelm/tempest:latest-ubuntu_xenial
-    ks_user: docker.io/openstackhelm/heat:ocata-ubuntu_xenial
+    tempest_run_tests: docker.io/openstackhelm/tempest:latest-ubuntu_focal
+    ks_user: docker.io/openstackhelm/heat:wallaby-ubuntu_focal
     image_repo_sync: docker.io/docker:17.07.0
   pull_policy: "IfNotPresent"
   local_registry: