Update duckdb index files

.gitattributes

@@ -74,3 +74,4 @@ translate_it/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 transcribe_nl/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 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

translate_pl/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0a2a3ba5267c33c0b55d780585f3b37030a1a66498576a75e44b243f15df860c
+size 274477056