Update duckdb index files

GSM8k_structured/test/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b0a1dbb8647927a31ef8a4b05e72485c7920c9415a678b0b842511850065b5c4
-size 1585152
+oid sha256:b9ac3f00e4e3da4eda95524413792ffa9ead8eee2054ff6dbb2cb41611c429c9
+size 1323008