Update duckdb index files

.gitattributes

@@ -41,3 +41,4 @@ ar_id/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_hi/sampled_validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_fr/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ar_ja/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ar_it/sampled_test/index.duckdb filter=lfs diff=lfs merge=lfs -text

ar_it/sampled_test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c9c95452b9aa9c993f2db8c9ca434057a4436e68814964c13b93d2ec903cd98
+size 67121152