Bump ubuntu and openstack version in jobs

The current zuul jobs definitions still use an older release and
distro version of ubuntu. This change modifies the versions to run
ubuntu focal and the Xena release of openstack.

Change-Id: I653fd9ed42972c7bba5fa94519cd413c0d15b2c9

zuul.d/jobs.yaml

@@ -65,9 +65,9 @@
     nodeset: openstack-helm-single-node
     vars:
       osh_params:
-        openstack_release: train
+        openstack_release: xena
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
         - ./tools/deployment/common/000-install-packages.sh
@@ -84,9 +84,9 @@
     nodeset: openstack-helm-single-node
     vars:
       osh_params:
-        openstack_release: train
+        openstack_release: xena
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
         - ./tools/deployment/common/000-install-packages.sh
@@ -297,7 +297,7 @@
     vars:
       osh_params:
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
         feature_gates: apparmor
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
@@ -332,7 +332,7 @@
     vars:
       osh_params:
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
         feature_gates: apparmor
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
@@ -361,9 +361,9 @@
     nodeset: openstack-helm-single-node
     vars:
       osh_params:
-        openstack_release: train
+        openstack_release: xena
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
         feature_gates: apparmor
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
@@ -393,7 +393,7 @@
     vars:
       osh_params:
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
         feature_gates: apparmor
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
@@ -414,9 +414,9 @@
     nodeset: openstack-helm-single-node
     vars:
       osh_params:
-        openstack_release: train
+        openstack_release: xena
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
         - ./tools/deployment/openstack-support/000-install-packages.sh
@@ -490,9 +490,9 @@
     nodeset: openstack-helm-single-node
     vars:
       osh_params:
-        openstack_release: train
+        openstack_release: xena
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
         feature_gates: local-storage
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
@@ -530,9 +530,9 @@
     nodeset: openstack-helm-single-node
     vars:
       osh_params:
-        openstack_release: train
+        openstack_release: xena
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
         feature_gates: ssl
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts:
@@ -567,9 +567,9 @@
     nodeset: openstack-helm-single-node
     vars:
       osh_params:
-        openstack_release: train
+        openstack_release: xena
         container_distro_name: ubuntu
-        container_distro_version: bionic
+        container_distro_version: focal
         feature_gates: "ssl,apparmor"
       gate_scripts_relative_path: ../openstack-helm-infra
       gate_scripts: