Changes to Update a billing entity

added the new required request property billing_entity

request body became required

the response's body type changed from no type to object for status 200

removed the request property address_line1

removed the request property address_line2

removed the request property billing_configuration

removed the request property city

removed the request property country

removed the request property default_currency

removed the request property document_number_prefix

removed the request property document_numbering

removed the request property email

removed the request property email_settings

removed the request property eu_tax_management

removed the request property finalize_zero_amount_invoice

removed the request property invoice_custom_section_codes

removed the request property legal_name

removed the request property legal_number

removed the request property logo

removed the request property name

removed the request property net_payment_term

removed the request property state

removed the request property tax_codes

removed the request property tax_identification_number

removed the request property timezone

removed the request property zipcode

removed BillingEntityObject subschema #2 from the response body allOf list for the response status 200

added the required property billing_entity to the response with the 200 status