Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9eb0e03331f20da40c60e065d76c3cac835eea2e0cd792faf5cd84e44e7878e5
-size 7090176
+oid sha256:816170d866919e05344b309e2d6eb17033d86425561e3f140ee4f1c1eca30694
+size 5779456