Update duckdb index files

supervised_small/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0cfe7383da8048b90a5459f347131399b3334e8b2187cb8bfc9a5d9f017e2223
-size 9973760
+oid sha256:dfe879bef34f74fbeda955b7638cfb85465e44a535cb0febe3570e554686c753
+size 9711616