Update duckdb index files

iwslt2017-ar-en/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f6e299aa28979541f9a30a8a4acce79b4ccd648b28597a6a30e5fce47bf40f5c
-size 27013120
+oid sha256:2245aaebf68b8846567412a731acf7e03624b9584e69de90f1bffb34d851f67d
+size 27275264