Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:06a469fe9c28a9714eab9e5e8f8bbab88fc2f5cd89571c9f5b82cade4b6ffac1
-size 7090176
+oid sha256:f7eedccd4ba761a15380136c8dde6cd4c1f0d2e452eb886f764823961d21fb4e
+size 6828032