Update duckdb index files

transcribe_ro/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3a62d99cd2b700f57a7dc57a3afcca88c7cb8ed135d34aeb02cc79a42ddf154f
-size 307769344
+oid sha256:65e56836ec59b5011d6955dd2041878016402b6cb923a08120642dda1ae385bd
+size 307507200