Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c288a88c9dfe2fa244c04e49d2c0da56e042d2e2959bfdcacad5131fed2b89ef
-size 16789504
+oid sha256:14a31c1f9f98dcf5a6a33341b42e8bcf8ef99209df49e04d2db7a40b9ee453e1
+size 13119488