Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ dataset_merged_raw.csv filter=lfs diff=lfs merge=lfs -text
 dataset_merged_curated.csv filter=lfs diff=lfs merge=lfs -text
 train_final.csv filter=lfs diff=lfs merge=lfs -text
 test_final.csv filter=lfs diff=lfs merge=lfs -text
+readerbench--ro-text-summarization/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

readerbench--ro-text-summarization/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5d010149fee9c8edab288c1b02d1fc3bc374d02911614e711e3592825ab9312e
+size 45625344