Update duckdb index files

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

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d9027d0bf9859cf528a1d5162bcda037b99ca05a44f6091b101af0b43220b3ae
-size 36188160
+oid sha256:0a31a5c8bc64bf49915cc079e162cea35419998c82e637becc76c0d4e7c28a8d
+size 35926016