[tests]: fix 1.28 release CI (kubernetes#2607)

Author: kayrus

tests/playbooks/roles/install-devstack/defaults/main.yaml

@@ -1,14 +1,15 @@
 ---
 user: "stack"
 workdir: "/home/{{ user }}/devstack"
-branch: "stable/zed"
+branch: "stable/2023.1"
 enable_services:
   - nova
   - glance
   - cinder
   - neutron
   - octavia
+  - ovn-octavia
   - barbican
-octavia_amphora_url: "https://tarballs.opendev.org/openstack/octavia/test-images/test-only-amphora-x64-haproxy-ubuntu-focal.qcow2"
+octavia_amphora_url: "https://tarballs.opendev.org/openstack/octavia/test-images/test-only-amphora-x64-haproxy-ubuntu-jammy.qcow2"
 octavia_amphora_dir: /opt/octavia-amphora
 octavia_amphora_filename: amphora-x64-haproxy.qcow2