Update duckdb index files

.gitattributes

@@ -3,3 +3,4 @@ Alegzandra--REDv2/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Alegzandra--REDv2/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/test/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 sha256:18aa8ed6d9a5bce8ef24e899037097232f6775a7bbec11ac4e0f79e78daeee75
+size 1060864