* Update all relations to be more specific, this helps
with --dry-run
* Update constraints, so that its balanced across the 3 systems
* Update overlay to fix versions
* ensure pause_minority for rabbitmq
* Add lxd metadata url
* Added local repos for everything
* Add focal related stuff to start migrating
* Add/fix CIS related stuff
* Update/fix juju model defaults
* Add model defaults just before the juju deploy
* Add new script to initialise vault
* Update vault keys to current mode
