Make agent and server groups configurable (#331)

* Make agent and server groups configurable

Signed-off-by: Meagan Harris <thewitch@siliconsorceress.com>

* Fix typo in upgrade role

Co-authored-by: Derek Nola <derek.nola@suse.com>
Signed-off-by: Meagan Harris <47128741+simagick@users.noreply.github.com>

---------

Signed-off-by: Meagan Harris <thewitch@siliconsorceress.com>
Signed-off-by: Meagan Harris <47128741+simagick@users.noreply.github.com>
Co-authored-by: Derek Nola <derek.nola@suse.com>