Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+Yijia-Xiao--samsum/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Yijia-Xiao--samsum/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4d1bb006e72f26f37028f5c0ad152d52623f9a1c289ab23119126137fb85753e
+size 1323008