Update duckdb index files

.gitattributes

@@ -62,3 +62,4 @@ ZurichNLP--rsd-ists-2016/test_ja/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 ZurichNLP--rsd-ists-2016/test_ko/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ZurichNLP--rsd-ists-2016/test_zh/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ZurichNLP--rsd-ists-2016/train_es/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ZurichNLP--rsd-ists-2016/train_fr/index.duckdb filter=lfs diff=lfs merge=lfs -text

ZurichNLP--rsd-ists-2016/train_fr/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f24b03d15509303d4c494ba8256af1c919119bf0d518b3f9aa42258da47782cb
+size 1585152