Update duckdb index files

.gitattributes

@@ -82,3 +82,4 @@ multifieldqa_en_e/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 passage_count_e/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 passage_retrieval_en_e/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 multi_news_e/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+qasper_e/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

qasper_e/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d297e09d9be3f9c31a8545cf30a88fca57f34d52eefcf536f18ec6bdfe5b5e8
+size 6828032