Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 metaeval--reclor/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 metaeval--reclor/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:fdc824cd2a5994fadca5be97cade5097da6d1e4fed47d7b5cb9da64a9ba1632d
+size 7090176