Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7b30dc72a4f29e274719b408a8b94f1db78486d9a29760d3bc5b9939bc687bb6
-size 1284517888
+oid sha256:aef8f263e116758ed73ee62949d8f210fce2dd9253089ac3298fffd9b967f77c
+size 324808704