Update duckdb index files

.gitattributes

@@ -103,3 +103,4 @@ es_de/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_ja/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_de/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs/sampled_test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f1b8fe039dd27533e49a01d64d753713824e62b474ba200247c3c2a4134bcdc
+size 10760192