Update duckdb index files

ur/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:bb8c0587cdd8a4511505a95c45e025cab3049f0ee8c73e7333db4948a2185c32
-size 957362176
+oid sha256:dfec2bec431a4e53899d25f96c65a6c459c752d9bccd947260549b1a8120d047
+size 945565696