Update duckdb index files

.gitattributes

@@ -6,3 +6,4 @@ FIdo-AI--ua-news/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 FIdo-AI--ua-news/test/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/test/0000.parquet 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:ef91aca727a1447961552a74e8a79e0b0861753e87a04f80245d48268363b5c2
+size 94646272