Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
 VLyb--DBpedia50/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+VLyb--DBpedia50/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

VLyb--DBpedia50/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bae39694c9dffa132acb35f6fe6025f935844c3cc60709104e7c1e1cda98add4
+size 1060864