Update duckdb index files

kanaejun--training/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c442eec5d188a7e183c86ce4fd695dbb6776e131fc9443d5a620905731f356b5
-size 1323008
+oid sha256:5e1fdb0e793894dbfd31de5c623df219491d536888db31e50a4f1981c6f30df8
+size 1060864