Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ train.json filter=lfs diff=lfs merge=lfs -text
 jellyChiru--SParC/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 jellyChiru--SParC/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:170743746a429d92b768e981cf03cdc7ee150f59dafca7f6dbc7777cffc87d13
+size 1060864