Restore Neutron migrations
Restore Neutron migrations

For details see [1].

Note this will also be amended on the Kolla-Ansible side to squash
[2] as well.

[1] https://review.opendev.org/750075
[2] https://bugs.launchpad.net/kolla-ansible/+bug/1894380

Change-Id: Id47ea8a5ea5318a69cf6814162db2115b40c7e6f

stackforge/kolla,openstack/kolla,stackforge/kolla,stackforge/kolla,openstack/kolla