Changes to List Vulnerability Definitions

added the new 40.00 enum value to the results/items/severity response property for the response status 200

added the enum value 40.00 to the property items/ of the query request parameter severity

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

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

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

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

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

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

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

removed the optional property count from the response with the 200 status

removed the optional property length from the response with the 200 status

removed the optional property page from the response with the 200 status

removed the optional property page_total from the response with the 200 status

removed the optional property results from the response with the 200 status