Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c1cb603241ec4764d98dc4ddc9fccad867b2833759359174a051a87f2c7c6674
-size 41955328
+oid sha256:8a933fa8a22677401313ac0dcfe50cd20465c92d8a93f6c51b68ca5c2aa3a2b1
+size 42217472