Update duckdb index files

.gitattributes

@@ -1460,3 +1460,4 @@ de_en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_fr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_es/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_hi/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+de_it/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

de_it/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d7d78d4622853a1cf8f74f000e6f1bba89f9ad624e7ddf69dbe871e0163ef63c
+size 913321984