Update duckdb index files

.gitattributes

@@ -1066,3 +1066,4 @@ zh_id/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_es/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_fr/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_ja/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ar_ko/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text

ar_ko/sampled_test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0906e2265502fe9e18e50b55ec39dd9cd852ce8e4335dcac352b237d7d8e192e
+size 34877440