Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 metaeval--folio/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+metaeval--folio/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--folio/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:05573eaa64a1c6bf32addd961d5a4cf3df96e75a853756984a187ae4b22045b4
+size 1060864