backend: Install collabora aptly fork
The required aptly version includes custom collabora patches. Install it instead of the upstream version. Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
The required aptly version includes custom collabora patches. Install it instead of the upstream version. Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>