Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a2fda8b3cbefdcbca0e18da1a67bbcd588e23f329c416f7171d82bb38698e631
-size 19148800
+oid sha256:1cc5d66ecc637be6129365bba59e4853b750f59c7d8c1cab24eb8edf4d9c8c00
+size 18886656