Update duckdb index files

iwslt2017-en-fr/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a8375a8f1800a6b4a1f3a4ef3ca3975820df60c22c4ee6abb9fb7ed0fd51535b
-size 26226688
+oid sha256:dd4eabdc65e7650ce866d42401caae0c51f4ca6d73c79d9d5d2107877f450581
+size 26488832