Update duckdb index files

.gitattributes

@@ -81,3 +81,4 @@ id/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hi/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ja/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 id/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/{validation → valid}/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:674981a02130d0f9d7cad1265f6ea33394fdad5a103edf45c02dfdbad7b0815b
-size 81014784
+oid sha256:a8cd32eb3167e1dc2deea37c68aa243b55de32f18470501b49ec2bfddbc84590
+size 99889152