Update duckdb index files

supervised_small/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:490238f0a4f52875838ab0e4bd8cffc337a22c70f5f85d538adaeb9812d4a51c
-size 11284480
+oid sha256:3e3d5b4f584ff1bf54ab247db3539b35781379712731cd6faa9860f464810d6a
+size 11022336