Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:dbaa81e3d22fdd6fc5cded45da56094fcf5f25c8d6330a80f5b799a5bd0d864e
-size 41168896
+oid sha256:090aa43948bbe1c7f4851fc6002809012bcbd5237e6142af8c7bd9be8fe94612
+size 40906752