Update duckdb index files

jxu124--refcoco/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e10966d5aadb94e43d67e9a177444f8e30485ece4dfac7d8e8d4250b5d25ef90
-size 71577600
+oid sha256:1bd883280ce9b5f5e71159b9f63fd0b871fd26a0974b14a5a99aca28dc79dcb1
+size 81801216