Update duckdb index files

jamescalam--ml-qa/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8162bfdd025f499fff09b6a3f28c945a6484e3d1398508995580b85d03456310
-size 24915968
+oid sha256:37b849dc2e1d41daa0c2caaeb8c1f5216c8d60d40985adb6663afe4f9b3da394
+size 25178112