Update duckdb index files

eng_Latn-lao_Laoo/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7233c9da8e36b75d0964d9187c7d32dab74de8f509757811dd27fae713e68735
-size 36188160
+oid sha256:2bb3a11d333311d8251c92560ebb29dca0364cfc79c7f980e41b37efa0a910a7
+size 36974592