API Updates

[richardm-stripe]

Codegen for openapi 1ad8d09.
r? @richardm-stripe
cc @stripe/api-libraries

Changelog

• Add support for new resource TaxCode.
• Add support for tax_code on Product, ProductCreateParams, ProductUpdateParams, PriceCreateParams.product_data, PlanCreateParams.product, and Checkout SessionCreateParams.line_items[].price_data.product_data.
• Add support for tax to Customer, CustomerCreateParams, CustomerUpdateParams.
• Add support for default_settings[automatic_tax] and phases[].automatic_tax on SubscriptionSchedule, SubscriptionScheduleCreateParams, and SubscriptionScheduleUpdateParams.
• Add support for automatic_tax on Subscription, SubscriptionCreateParams, SubscriptionUpdateParams; Invoice, InvoiceCreateParams, and InvoiceUpcomingParams; Checkout Session and Checkout SessionCreateParams.
• Add support for tax_behavior to Price, PriceCreateParams, PriceUpdateParams and to the many Param objects that contain price_data:
  • SubscriptionScheduleCreateParams and SubscriptionScheduleUpdateParams, beneath phases[].add_invoice_items[] and phases[].items[]
  • SubscriptionItemCreateParams and SubscriptionItemUpdateParams, on the top-level
  • SubscriptionCreateParams create and UpdateCreateParams, beneath items[] and add_invoice_items[]
  • InvoiceItemCreateParams and InvoiceItemUpdateParams, on the top-level
  • InvoiceUpcomingParams and InvoiceUpcomingLinesParams beneath subscription_items[] and invoice_items[].
  • Checkout SessionCreateParams, beneath line_items[].
• Add support for customer_update to Checkout SessionCreateParams.
• Add support for customer_details to InvoiceUpcomingParams.
• Add support for tax_type to TaxRate, TaxRateCreateParams, and TaxRateUpdateParams.