Update duckdb index files

.gitattributes

@@ -99,3 +99,4 @@ es_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 et_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_contracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_contracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+fr_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

fr_contracts/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48b776da0df977453b73ea0dd772b6a11b47e9b71e0a52e4d75fae99fa69bcc6
+size 27799552