Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e52fd4ce76757a9e571c6eb593d3d9d73618c02837966071096f3784780b68cb
-size 3158016
+oid sha256:fa6fd07be4b3d895f483e550d4deabc68325f4471a9fdce2035b92b679296ada
+size 2109440