Fix retention enforcement check for deleted object versions (#13240)
Fix retention enforcement check for deleted object versions (#13240)

if an object is pending version purge, it should be treated
as ErrNone in retention enforcement check

vadmeste/minio,donatello/minio,donatello/minio,balamurugana/minio,krisis/minio,krisis/minio,balamurugana/minio,minio/minio,vadmeste/minio,minio/minio