Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3ed2f57590a3205c86d9b51b1d105c178d1ad52a0f5f1367e3dcb8631f7941ee
-size 3420160
+oid sha256:bbaebf42cd0a37de30ae36c3230e08417de5b0d9b6c84ea7e2813a419be36664
+size 2895872