Update duckdb index files

nayohan--piqa-ko/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5cd71bdf82e121ef29e9f429918f820bc0efbd0df9e1281d2f216bd69712df00
-size 4730880
+oid sha256:46073ff70dd8c9117f1b84cba875f8904842a8d8f14b4665cc88adeae8718ad7
+size 3682304