Update duckdb index files

default/train.clean.360/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:994c5cce446123dbecab6fd9b02e56fdef15ce26b98ffc9a8becf72973e60abf
-size 688664576
+oid sha256:8c4c4ad3230ff34ca7ca748e0b4c97db29870d22d6d9a12238236919c83b757c
+size 688402432