Update dnf-plugins-extras to version 4.0.12 / rev 6 via SR 843805
https://build.opensuse.org/request/show/843805
by user Pharaoh_Atem + dimstar_suse
- Update to version 4.0.12
+ Add the DNF_SYSTEM_UPGRADE_NO_REBOOT env variable to control system-upgrade reboot.
+ [system-upgrade] Upgrade groups and environments (rh#1845562, rh#1860408)