SUSE-SU-2020:1974-1 Security update for salt

This update for salt contains the following fixes: - Fix for TypeError in Tornado importer bsc1174165 - Require python3-distro only for TW bsc1173072 - Update to Salt version 3000: See release notes: https://docs.saltstack.com/en/latest/topics/releases/3000.html - Add docker.logout to docker...