Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ba8ae5252fb95a2862e75e9e42847c9d112aeb879c45600a76fa0bcd6d1b99a7
-size 2633728
+oid sha256:a7d7f6f1a1ca62002bb8403a8b138d9560c9cb6f3a15d478a91781e303a71924
+size 2371584