Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ Deysi--split-imdb/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Deysi--split-imdb/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Deysi--split-imdb/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:328f0785297fda8efbca2a84ce9a79308c6d2ec941940b6ec15670a2d4485896
+size 24653824