Update generated code for beta

[stripe-openapi]

Codegen for openapi v645.

Changelog

• Add support for AttachPaymentIntent method on resource Invoice
• Add support for RevolutPay on ConfirmationTokenPaymentMethodPreview
• Add support for Refunds on CreditNoteCreateOptions, CreditNotePreviewLinesOptions, CreditNotePreviewOptions, and CreditNote
• Add support for PostPaymentAmount and PrePaymentAmount on CreditNote
• Add support for ScheduleDetails on InvoiceUpcomingLinesOptions and InvoiceUpcomingOptions
• Add support for AmountsDue on InvoiceCreateOptions, InvoiceUpdateOptions, and Invoice
• Add support for Payments on Invoice
• Add support for Created on IssuingPersonalizationDesign
• Add support for EndingBefore, Limit, and StartingAfter on Tax.RegistrationListOptions
• Change type of TaxRegistrationActiveFromOptions and TaxRegistrationExpiresAtOptions from longInteger to literal('now')
• Change type of TaxRegistrationActiveFromOptions and TaxRegistrationExpiresAtOptions from literal('now') to DateTime
• Change type of TaxRegistrationActiveFrom, TaxRegistrationCreated, TaxRegistrationExpiresAtOptions, and TaxRegistrationExpiresAt from longInteger to DateTime