Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 tilyupo--qa2a/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tilyupo--qa2a/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6f78486d3793e8c357660ea10d518076d7932b98729a80c5103fc5cae2713ed
+size 1309421568