Comment 44 for bug 1818770

ok, I found how to upgrade them on rocky and cosmic.

I verified bionic-rocky for this issue.

apt install openstack-dashboard-common(not openstack-dashboard)

oot@juju-41e8e7-default-8:~# dpkg -l | grep openstack-dashboard
ii openstack-dashboard 3:14.0.2-0ubuntu2~cloud0 all Django web interface for OpenStack
ii openstack-dashboard-common 3:14.0.2-0ubuntu2~cloud0 all Django web interface for OpenStack - common files
ii openstack-dashboard-ubuntu-theme 3:14.0.2-0ubuntu2~cloud0 all Transitional dummy package for Ubuntu theme for Horizon