Update duckdb index files

.gitattributes

@@ -68,3 +68,4 @@ trec/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 passage_retrieval_en/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 vcsum/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 musique/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+triviaqa/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

triviaqa/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:438d5fe324341a9756e32469e6381165c966fbe2318765a8f02ec87005ba84de
+size 11808768