Goal: 

• The new long-lived features api is now live in stage and we have to do some small migration to use it:
• https://gitlab.cee.redhat.com/it-subscription-and-product/feature-service/-/blob/main/README.md?ref_type=heads#for-developers

Acceptance Criteria:

• uses new api at https://feature.stage.api.redhat.com
• works in stage