Update duckdb index files

.gitattributes

@@ -1451,3 +1451,4 @@ ar_pt/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_ru/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_th/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_vi/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_fr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_fr/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c02fcf7117f15efad99f0406a10049ac0d9e4f3e1d224621ceacc5a531e2b8cb
+size 412102656