Changes to Delink integration mapping

added the new subscription_line_item enum value to the request property entity_type

added the new not_implemented enum value to the code response property for the response status 400

added the new not_implemented enum value to the code response property for the response status 404

added the new not_implemented enum value to the code response property for the response status 500

added the new invoice_line_item enum value to the request property entity_type

request property entity_type was restricted to a list of enum values

the entity_type request property type changed from no type to string

added the new addon enum value to the request property entity_type

added the new credit_note enum value to the request property entity_type

added the new customer enum value to the request property entity_type

added the new invoice enum value to the request property entity_type

added the new item enum value to the request property entity_type

added the new item_price enum value to the request property entity_type

added the new payment enum value to the request property entity_type

added the new plan enum value to the request property entity_type

added the new price enum value to the request property entity_type

added the new subscription enum value to the request property entity_type

removed the enum value addon of the request property entity_type

removed the enum value credit_note of the request property entity_type

removed the enum value customer of the request property entity_type

removed the enum value invoice of the request property entity_type

removed the enum value item of the request property entity_type

removed the enum value item_price of the request property entity_type

removed the enum value payment of the request property entity_type

removed the enum value plan of the request property entity_type

removed the enum value price of the request property entity_type

removed the enum value subscription of the request property entity_type

the entity_type request property type changed from string to no type

endpoint added