Changes to Create BillJob

the allOf[subschema #2] request property type changed from no type to object

the allOf[subschema #2] response's property type changed from no type to object for status 200

the response property allOf[#/components/schemas/AbstractResponse]/version became optional for the status 200

the timezone request property default value UTC was added

the timezone response's property default value UTC was added for the status 200