Update duckdb index files

.gitattributes

@@ -64,3 +64,4 @@ default/grocery/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/new_cat/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/sports/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/toys/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/val/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/val/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d9f39b0547fb54a3b787e0d766948005ed1134b2f552d24af9d33a9d636b9815
+size 12857344