Changes to Get commerce integration

the id response's property type changed from string to no type for status 200

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 429

removed the non-success response with the status 409

the response optional property connected_advertiser_id became not read-only for the status 200

the response optional property created_timestamp became read-only for the status 200

the response optional property id became read-only for the status 200

the response optional property updated_timestamp became read-only for the status 200

added Pinterest.Lib.IntegerFormatType to the id response property allOf list for the response status 200

the id response's property pattern ^\d+$ was removed for the status 200

added the optional property additional_id_1 to the response with the 200 status

added the optional property created_timestamp to the response with the 200 status

added the optional property id to the response with the 200 status

added the optional property partner_access_token_expiry to the response with the 200 status

added the optional property partner_metadata to the response with the 200 status

added the optional property partner_refresh_token_expiry to the response with the 200 status

added the optional property scopes to the response with the 200 status

added the optional property updated_timestamp to the response with the 200 status

endpoint added