Update duckdb index files

.gitattributes

@@ -69,3 +69,4 @@ transcribe_hr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 translate_hr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 transcribe_hu/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 translate_hu/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+transcribe_it/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

transcribe_it/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8ea20a92eaa747719925570059f600bc7c6c455309f28cf34e0ef4e9d397974
+size 336343040