Utilise the rhsm_release ansible module in the rhsm role.

[unnecessary-username]

What does this PR do?

Utilise the rhsm_release ansible module in the rhsm role.

How should this be tested?

Same as before. (Maybe refer to #578 )

Is there a relevant Issue open for this?

N/A

Other Relevant info, PRs, etc.

https://docs.ansible.com/ansible/2.9/modules/rhsm_release_module.html#rhsm-release-module

People to notify

cc: @redhat-cop/infra-ansible