Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp 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/{train → validation}/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0dd6a54e3e272ff93182113da1dc514785e2024e911fb2d96a1f21a185fcd0cc
+oid sha256:27f437a2dafba1a904f55aee4d1ded63c66bc6a586ae5119be927f1d5aa96c22
 size 2109440