collab: Use `StripeClient` to retrieve prices and meters from Stripe (#31624)

This PR updates `StripeBilling` to use the `StripeClient` trait to
retrieve prices and meters from Stripe instead of using the
`stripe::Client` directly.

Release Notes:

- N/A
75e69a5ae9Marshall Bowers committed on 5/28/2025, 7:51:06 PM· committed by GitHubparent05afe95
6 files changedLine totals unavailable