This PR updates the `StripeBilling::checkout_with_zed_pro` and `StripeBilling::checkout_with_zed_pro_trial` methods to use the `StripeClient` trait instead of using `stripe::Client` directly. Release Notes: - N/A
This PR updates the `StripeBilling::checkout_with_zed_pro` and `StripeBilling::checkout_with_zed_pro_trial` methods to use the `StripeClient` trait instead of using `stripe::Client` directly. Release Notes: - N/A