Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:43e0e751823a657443aec224dc76201584bbf5b2cc16549f9d2397ffa49fbb92
-size 41431040
+oid sha256:b9445105fd96b3d8d609a6384ac93cbc409b1c9393970065d8c1cf4d7a54f40a
+size 40906752