Update duckdb index files

.gitattributes

@@ -1443,3 +1443,4 @@ zh_tr/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_de/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_es/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ar_fr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

ar_fr/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9066c1277115e39315c28f6a045f182b1733e621879959ba5478671d89ed662a
+size 574107648