Adds support for advanced card features on Checkout Sessions

What’s new

Adds advanced card features incremental authorization, extended authorization, multicapture, and overcapture for IC+ users creating mode: 'payment' and capture_method: 'manual' Checkout Sessions.

These features were previously only available for Payment Intents. Users can now adapt to these flexible payment scenarios on Checkout Sessions.

Parameters	Change	Resources or endpoints
request_extended_authorizationrequest_incremental_authorizationrequest_multicapturerequest_overcapture	Added	Checkout.Session#create.payment_method_options.card Checkout.Session.payment_method_options.card

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