Update duckdb index files

.gitattributes

@@ -58,3 +58,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 0/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 1/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 1/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+1/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

1/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:860459f690d2ef30c169a81c481b9866898651ce46529937c3eeb45f9d6204ed
+size 6565888