change permissions to ledger directory

Author: dkijania

buildkite/scripts/tests/rosetta-block-race-test.sh

@@ -15,6 +15,7 @@ mkdir -p "$LEDGER_DIR"
 echo "  Extracting ledger archive to $LEDGER_DIR ..."
 tar -xf "$LEDGER_ARCHIVE" -C "$LEDGER_DIR"
 
+chmod 700 "$LEDGER_DIR"
 
 sudo apt-get update
 sudo apt-get install -y python3