Add zuul-jobs for ubuntu-bionic
Start testing our jobs on ubuntu-bionic to ensure things work as
expected.
Depends-On:
- openstack-infra-base-integration-centos-7
- openstack-infra-base-integration-debian-jessie
- openstack-infra-base-integration-fedora-26
+ - openstack-infra-base-integration-ubuntu-bionic
- openstack-infra-base-integration-ubuntu-trusty
- openstack-infra-base-integration-ubuntu-xenial
- openstack-infra-base-integration-opensuse423
- openstack-infra-multinode-integration-centos-7
- openstack-infra-multinode-integration-debian-jessie
- openstack-infra-multinode-integration-fedora-26
+ - openstack-infra-multinode-integration-ubuntu-bionic
- openstack-infra-multinode-integration-ubuntu-trusty
- openstack-infra-multinode-integration-ubuntu-xenial
- openstack-infra-multinode-integration-opensuse423
- openstack-infra-base-integration-centos-7
- openstack-infra-base-integration-debian-jessie
- openstack-infra-base-integration-fedora-26
+ - openstack-infra-base-integration-ubuntu-bionic
- openstack-infra-base-integration-ubuntu-trusty
- openstack-infra-base-integration-ubuntu-xenial
- openstack-infra-base-integration-opensuse423
- openstack-infra-multinode-integration-centos-7
- openstack-infra-multinode-integration-debian-jessie
- openstack-infra-multinode-integration-fedora-26
+ - openstack-infra-multinode-integration-ubuntu-bionic
- openstack-infra-multinode-integration-ubuntu-trusty
- openstack-infra-multinode-integration-ubuntu-xenial
- openstack-infra-multinode-integration-opensuse423
