Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fa9e4dab37cded7cd6df77fb52bfd1150330c364e5ee725ad8e49cf3036646fc
-size 1323008
+oid sha256:4efe76f6701474cbf882f8fe3f01318e32be4d9207ad79f4c0678d56b6cdf4f6
+size 2895872