Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c9267150cbde94466d5678da8410d0eb5fa989bf7d82002bd49df0fc67774a49
-size 9711616
+oid sha256:a42e9e40a41f09802e7c93b8569b9d39cfe955740db5ee9942f2ca4fb6cfa7ef
+size 9449472