Allow GNUSparse for genesis.bin (#13704) (#13707)

(cherry picked from commit 397cf726fc)

Co-authored-by: Ryo Onodera <ryoqun@gmail.com>

runtime/src/hardened_unpack.rs

@@ -227,6 +227,7 @@ fn unpack_genesis<A: Read, P: AsRef<Path>>(
 fn is_valid_genesis_archive_entry(parts: &[&str], kind: tar::EntryType) -> bool {
     trace!("validating: {:?} {:?}", parts, kind);
     match (parts, kind) {
+        (["genesis.bin"], GNUSparse) => true,
         (["genesis.bin"], Regular) => true,
         (["rocksdb"], Directory) => true,
         (["rocksdb", ..], GNUSparse) => true,