Update duckdb index files

transcribe_ro/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f437d22d7684753c7f36bb0b829a2031ce1c0d786facc4396b2fa7bd07e97c25
-size 307769344
+oid sha256:933451a2e3cfc836c6fb30e51341d23a069e293001021f97d1c75efcea4a7231
+size 307507200