Changes to Update invoice

removed the request property record.description

removed the request property record.item

removed the request property record.price

removed the request property record.quantity

removed the request property record.tax

removed the request property record.tax_class

added the new optional header request parameter Idempotency-Key

added the new optional request property record

added the non-success response with the status 404

added the non-success response with the status 409

added the non-success response with the status 500

added the optional property code to the response with the 401 status

added the optional property code to the response with the 403 status

added the optional property code to the response with the 422 status

added the optional property request_id to the response with the 401 status

added the optional property request_id to the response with the 403 status

added the optional property request_id to the response with the 422 status