Update duckdb index files

.gitattributes

@@ -368,3 +368,4 @@ persian/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 russian/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 portuguese/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 spanish/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ukrainian/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

ukrainian/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c732799186424e64e2e0e2ffac64714d90ebc241cc3d185ab086828424b7e578
+size 144453632