Changes to GET /event/:event_key/coprs

added Event_COPRs subschema #2 to the response body oneOf list for the response status 200

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

the response's body became nullable

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

removed Event_COPRs from the response body allOf list for the response status 200

endpoint added