Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+AmazonScience--xtr-wiki_qa/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

AmazonScience--xtr-wiki_qa/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7b8c5cd435b951c5c1f45dd13df60b50c6848f6549555723d215ede9a5508edf
+size 24653824