Update generated code for beta

[stripe-openapi]

Codegen for openapi v896.

Changelog

• Add support for new resources Entitlements.ActiveEntitlementSummary and Entitlements.ActiveEntitlement
• Add support for list method on resource ActiveEntitlement
• Add support for mobilepay on ConfirmationToken.payment_method_preview and ConfirmationTokenCreateParams.testHelpers.payment_method_data
• Add support for new value mobilepay on enum ConfirmationTokenCreateParams.testHelpers.payment_method_data.type
• Add support for use_stripe_sdk on ConfirmationToken
• Remove support for payment_method on ConfirmationToken
• Change type of ConfirmationToken.mandate_data from ConfirmationTokensResourceMandateData to ConfirmationTokensResourceMandateData | null
• Add support for new value mobilepay on enum ConfirmationToken.payment_method_preview.type
• Add support for metadata on Entitlements.FeatureCreateParams and Entitlements.Feature
• Add support for active on Entitlements.Feature
• Add support for new value entitlements.active_entitlement_summary.updated on enum Event.type
• Remove support for value customer.entitlement_summary.updated from enum Event.type
• Add support for new value entitlements.active_entitlement_summary.updated on enums WebhookEndpointCreateParams.enabled_events[] and WebhookEndpointUpdateParams.enabled_events[]
• Remove support for value customer.entitlement_summary.updated from enums WebhookEndpointCreateParams.enabled_events[] and WebhookEndpointUpdateParams.enabled_events[]