Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:833e505a05dd22c4e308c590760aba78f2679d992c04d4327e423d001c91c6e9
-size 1323008
+oid sha256:3ab365b7f1df592b80c032c38ea01c0b1c822a3816361a75aa193892988810a1
+size 1060864