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--universal-joy/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 metaeval--universal-joy/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+metaeval--universal-joy/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--universal-joy/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0edb15c47025f8cd26c987114eab260a5d025bb0c708a5cb24fe0f0e85295fdd
+size 14692352