refs: https://github.com/TryGhost/Team/issues/1145
- this should allow us to remove the /products endpoint in v5
It avoids:
- `kg-product-card`, that really is meant to say product
- `product-cadence` on offers
Co-authored-by: Rishabh <zrishabhgarg@gmail.com>
closes https://github.com/TryGhost/Team/issues/1029
- allows site owner to filter members on specific tier
- needs tiers beta flag enabled and site should have more than 1 paid tiers.