Additional Software should upgrade packages after APT lists update
Originally created by @alant on #16567 (Redmine)
The package lists were updated manually or outside tails-additionnal-software and thus bypassed its mechanism to rollback to the old one in case of failure.
Scenarios:
- case A: package lists were updated manually by running
apt update
- case B: the package lists were updated manually or outside tails-additionnal-software and thus bypassed its mechanism to rollback to the old one in case of failure