Update duckdb index files

.gitattributes

@@ -66,3 +66,4 @@ es/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+it/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

it/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9c2ccf909618bedbb5079089edfc35be8f01a8026ef5692899d0d3a4d71b21a0
+size 1323008