Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:77a5dcf65dac9f56c6b435ccd9d80e9a4438dcda284b64485c1b88520a4de11d
-size 98840576
+oid sha256:f0305b2e0881a3c12605ac5bc01b7863792e24bd88b6cb2b5ada9127e35a4162
+size 96219136