Update duckdb index files

jamescalam--lex-transcripts/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0a31a5c8bc64bf49915cc079e162cea35419998c82e637becc76c0d4e7c28a8d
-size 35926016
+oid sha256:a0beab3d6b3109751e04b013da36a2998ff9c64facfca3cf4015f3bdde2e6ec7
+size 36188160