v15.12.0-beta.1

• #2103 Update generated code for beta
  • Add support for new value de_stn on enums OrderCreateParams.tax_details.tax_ids[].type and OrderUpdateParams.tax_details.tax_ids[].type
  • Add support for new value de_stn on enum Order.tax_details.tax_ids[].type

See the changelog for more details.