"ceph-salt update" should indicate what packages have been updated

[LenzGr]

When running ceph-salt update, I do see that the update process is ongoing and eventually finishes:

However, I do not see a summary of what packages have actually been updated/installed. I can glean that information from the log file /var/log/ceph-salt.log, but it would be more user-friendly, if we could find a way to display that information in the CLI directly.