Changes to Update todo

added the non-success response with the status 409

added the optional property code to the response with the 400 status

added the optional property code to the response with the 401 status

added the optional property code to the response with the 403 status

added the optional property code to the response with the 404 status

added the optional property code to the response with the 500 status

api tag Todo added

api tag Todos removed

the due_date request property format changed from no format to date-time

the request property description became nullable

the request property due_date became nullable

api path removed without deprecation