.What were you trying to do that didn't work?

While testing leapp for the CTC1, leapp started to traceback unexpectedly when a target version (--target) provided in an invalid format.

What is the impact of this issue to you?

Please provide the package NVR for which the bug is seen:

leapp-0.19.0-3.el8_10.noarch
leapp-upgrade-el8toel9-0.22.0-4.el8_10.noarch

How reproducible is this bug?:

Always

Steps to reproduce

1. Install leapp
2. run leapp preupgrade --no-rhsm --target {} with any target in invalid format ["9", "9.", "09.0", "1A", "abc", "A.B", "9.a", "8.4.bad"]
3. observe the traceback

Expected results

Error: Unexpected format of target version: 9.a. The required format is 'X.Y' (major and minor version).

Actual results

leapp produces a traceback - e.g. ValueError: Versions have to be in the form of '<integer>.<integer>' but provided was '['8.10', '9.a']'