Changes to POST /v3/overtimeCarry

added the new DuplicateEntryForUserAndYear enum value to the errors/items/error/anyOf[subschema #1: Duplicate entry for user and year error]/type response property for the response status 422

added the new ResourceNotFound enum value to the errors/items/error/anyOf[subschema #2: Resource not found error]/type response property for the response status 422