Update generated code for beta

[stripe-openapi]

Codegen for openapi v1012.

Changelog

• Add support for rechnung_payments on Account.capabilities, AccountCreateParams.capabilities, and AccountUpdateParams.capabilities
• Add support for rechnung on Charge.payment_method_details, ConfirmationToken.payment_method_preview, ConfirmationTokenCreateParams.payment_method_data, PaymentIntent.payment_method_options, PaymentIntentConfirmParams.payment_method_data, PaymentIntentConfirmParams.payment_method_options, PaymentIntentCreateParams.payment_method_data, PaymentIntentCreateParams.payment_method_options, PaymentIntentUpdateParams.payment_method_data, PaymentIntentUpdateParams.payment_method_options, PaymentMethodCreateParams, PaymentMethodUpdateParams, PaymentMethod, SetupIntentConfirmParams.payment_method_data, SetupIntentCreateParams.payment_method_data, and SetupIntentUpdateParams.payment_method_data
• Add support for multibanco on Checkout.Session.payment_method_options and checkout.SessionCreateParams.payment_method_options
• Add support for new value multibanco on enum checkout.SessionCreateParams.payment_method_types[]
• Add support for new value rechnung on enums ConfirmationTokenCreateParams.payment_method_data.type, PaymentIntentConfirmParams.payment_method_data.type, PaymentIntentCreateParams.payment_method_data.type, PaymentIntentUpdateParams.payment_method_data.type, SetupIntentConfirmParams.payment_method_data.type, SetupIntentCreateParams.payment_method_data.type, and SetupIntentUpdateParams.payment_method_data.type
• Add support for new value rechnung on enums CustomerListPaymentMethodsParams.type, PaymentMethodCreateParams.type, and PaymentMethodListParams.type