Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5b0037cea80863ce80a22a8de08539fbd42779e8221e1db4134be07e3dbd388e
-size 20197376
+oid sha256:2953c06f1f31c5707212ea9b4776b7288f5c77e4b7339e765ffa5d55939d7076
+size 40906752