Description of problem:

connected satellite 6.16 upgrade satellite-maintenance repos name is wrong "satellite-maintenance-6.16-for-rhel-9-x86_64-rpms"

How reproducible:  100%

Steps to Reproduce:

https://docs.redhat.com/en/documentation/red_hat_satellite/6.16/html-single/upgrading_connected_red_hat_satellite_to_6.16/index#upgrading_a_connected_satellite_server_upgrading-connected

in below steps repository name is wrong

Steps 7 : Ensure that the Satellite Maintenance repository is enabled: 

subscription-manager repos --enable \
satellite-maintenance-6.16-for-rhel-9-x86_64-rpms

Actual behavior:
The repository below the name is wrong for 6.16 upgrade

7. Ensure that the Satellite Maintenance repository is enabled:

1. subscription-manager repos --enable \ satellite-maintenance-6.16-for-rhel-9-x86_64-rpms

Expected behavior:

The correct repository name should be as below:

7. Ensure that the Satellite Maintenance repository is enabled:

1. subscription-manager repos --enable \ satellite-maintenance-6.16-for-rhel-8-x86_64-rpms

Business Impact / Additional info: