Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fa2dd7b89c795b920cadee160de5ebe05ec29a19b6faeb05bfa08a0918e83141
-size 258748416
+oid sha256:02f3a1eb3000e9a4aaa543c8b43279c462fc552173122013086c25b0a0c64527
+size 49033216