Update duckdb index files

linnaeus_source/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:44e8e701ba27a7b88d738d172d14aae13c527fabb4110a9df1d08abe53cc673c
-size 3158016
+oid sha256:efdc4fd4f9a9de6d1f098a4d748fabaa3353580eb5f19b7969fe9e177af2984a
+size 4468736