CI: Add dbus into debian dependencies
There is just weak dependency (recommends) between dbus
libraries and dbus daemon. It is installed by default but we should
not rely in integration tests on weak dependency if we directly need
binary dbus-daemon.
sh# apt-cache depends libdbus-1-dev libdbus-1-3
libdbus-1-dev
Depends: libdbus-1-3
Depends: pkg-config
pkgconf
libdbus-1-3
Depends: libc6
Depends: libsystemd0
Breaks: dbus
Recommends: dbus
Reviewed-by: Fabiano FidĂȘncio <fidencio@redhat.com>