Foreman Maintain

Fixes #20848 - Fix error messages indentation

Fixes #20597 - store the current target version of upgrade

This allows to prevent running one upgrade before finishing another one.
It also fixes an issue, where after updating the packages, one would not
be able to continue with the current upgrade when something goes wrong.

Fixes #20868 - Use correct method 'get_params_for'

Fixes #20641 - clean the upgrade storage on upgrade finish

Fixes #20625 - Add 'upgrade scneario'

• 6.2 -> 6.2.z
• 6.2 -> 6.3
• 6.3 -> 6.3.z

Fixes #20221 - Added log_file_size as config parameter in KB

Merge remote-tracking branch 'origin/master' into upgrade-workflow

Fixes #46 - isc dhcp configuration check

Merge remote-tracking branch 'origin/master' into upgrade-workflow

`upgrade run --phase` instead of `upgrade advanced run`

To improve the usability of the command