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
+jxu124--refcocog/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

jxu124--refcocog/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e5de7ad7e1bf642cfbb111181829a2273995a2a368120f0ac2616bb1ab854137
+size 11022336