Changes to Get Project Users

the query request parameter order_by was restricted to a list of enum values

for the query request parameter order_by, default value was changed from to updated_at

added the new enum value event_count to the query request parameter order_by

added the new enum value profile_count to the query request parameter order_by

added the new enum value updated_at to the query request parameter order_by

endpoint added

api path removed without deprecation