Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:92c0d13d8eaeb01dcf05f4e28f913a7f2c81570f84d2ecf8c9bf7ab7f96140ca
-size 10498048
+oid sha256:798c4f9ba2f53b07290f3106d54373c876d00c4b565532a97a2db334f9edb2e1
+size 10235904