Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:bb8aadbff1bbc2133b19d4a1a4ac4bfacefda160eca7e789e0b873147fa9d2a4
-size 3682304
+oid sha256:a2dcdf3a249326821380da92b4b5fbde76ad354a7a3d5887819a796a5df622a8
+size 3944448