Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2ffaeae91c489458f0210ee75a26222fc4dba9d242177bf5c0776d1f29338d98
-size 8138752
+oid sha256:e718e0c01d5d64008aaf4f918a2afcc475141c451abb41cf0b419b0ac1b868b4
+size 7090176