Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+eli5.original-split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

eli5.original-split/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:04c160dbf063efd1b59bae294656bb4bab3915f8c28710462454906a2ea8851c
+size 1323008