Update duckdb index files

.gitattributes

@@ -63,3 +63,4 @@ ar_th/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_th/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_zh/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ar_zh/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text

ar_zh/sampled_test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d68c41850ba058b44aea05e78b0d90d81a37c928e0e71754e5e83802bd6c420d
+size 41168896