Description of problem:

Version-Release number of selected component (if applicable):
Satellite 6.12.0 Snap 9.0

How reproducible:
Always

Steps to Reproduce:
1. Setup Satellite 6.12 and register to CDN
2. # satellite-maintain advanced procedure run repositories-setup --version 6.12
Running ForemanMaintain::Scenario
================================================================================
Setup repositories:

The following steps ended up in failing state:

[repositories-setup]

Resolve the failed steps and rerun the command.

If the situation persists and, you are unclear what to do next,
contact Red Hat Technical Support.

In case the failures are false positives, use
--whitelist="repositories-setup"

Actual results:
can't modify frozen String: "6.12"

Expected results:
repositories-setup should disable and then enable repos required for 6.12 upgrade

Additional info: