Update duckdb index files

.gitattributes

@@ -693,3 +693,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 20230901.de/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 20230901.fr/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 20230901.sv/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+20230601.it/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

20230601.it/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:35f4a58664d4f8bb57e7fc0024874e6930142da07a9b2f81b568535120ea1cc4
+size 9879695360