Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:45e505e1f3f8a74654fe637af9d4afc10e97ced70eb7fa743d59190e92b2efa9
-size 6303744
+oid sha256:6f452005a18202e2c0bb7c41be3fc64fc38114811f0421fd5e89fd39ddccea84
+size 4468736