Update duckdb index files

AlexWortega--flan/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:85d2c16e8242da1a31b972a5208f4a31a363811c33818907c316a57313712dbe
-size 342110208
+oid sha256:254b48ae0dcf0cdbd051f0b2f3bf269f0ca38e5eb253b425fbb59025b769fcd7
+size 341585920