Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ saved_model/**/* 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/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/val/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/{validation → val}/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9d9daed2994d5ba5fff9db0accd7344c4c2cd4a0b96ebb4ef4d021311938a53b
+oid sha256:cfebb840f8ef8f7ad70eb83172a9018d299bcef04d9a7222a5d7d6e0af7d7a38
 size 1060864