Description of problem:
foreman-maintain self-upgrade command added in BZ 2026415 for updating rubygem-foreman_maintain package from next major version repository, and to make this command more general for both major and minor version upgrades of rubygem-foreman_maintain package adding this feature request

Version-Release number of selected component (if applicable):
Satellite 7.0.0

How reproducible:
Always

Steps to Reproduce:
1. foreman-maintain self-upgrade --target-version x.y
2.

Actual results: Bug 2036187 - self-upgrade fails with x.y should be greater than existing version x.y.z!

Expected results:
If provide x.y version self-upgrade should pull the latest rubygem-foreman_maintain package from the same x.y repository

Additional info: