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
 zedfum--long-summarization-persian/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+zedfum--long-summarization-persian/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

zedfum--long-summarization-persian/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a69375f96dcfe0781958125b867be530ce41b51857866c6d2411dc62bf645643
+size 50343936