Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:86b45760d775cab82be8659dc182d0f266f1b7d6269d1a34677aae4f74c365c2
-size 687616000
+oid sha256:b9aca105ff9381ccb8fee0ec6c2af9edb5bc11d22bfb0b8b3a1d1161b97f4990
+size 687353856