Update duckdb index files

.gitattributes

@@ -76,3 +76,4 @@ translate_nl/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 transcribe_pl/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 translate_pl/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 transcribe_ro/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+translate_ro/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

translate_ro/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0c7215615989a24a9dadf81b7b1c9579fe63bff9e0a97d12f7de5754c2fc17e4
+size 307507200