Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:da483deef82dee8cc79779945cb25d7b7880173c01fb67b3871644b09ceb2593
-size 3420160
+oid sha256:a1f80bdf6a48a25e3158bcc4e57dfcce6a479de847e33b6d61cbeb30fe47ad5e
+size 6303744