[Ginger Payments] The «customer/birth_date» property is absent in the JSON Schema of a «POST /v1/orders/» request, but is passed by the official extension for Magento 1.x

The customer/birth_date property is absent in the JSON Schema of a «POST /v1/orders/» request, but is passed by all the 5 methods of the official extension for Magento 1.x:

Hello @Joachim_de_Boer, I think, the customer/birth_date» property should be added to the JSON schema, is not it?