Update duckdb index files

ig/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3b7dd63a62a8134affb6f9fa06ea2d54a7912c892de911f797ed428e24df32d9
-size 511193088
+oid sha256:ec836166dd5a43ed138d600ce28318094e278c572771515defa4e6066266f16c
+size 511717376