Update duckdb index files

eng_Latn-lao_Laoo/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1663319b8cf4320b0c2ffd2e862229b9a8b35d47b0e998a125fc07a88b3255a9
-size 35926016
+oid sha256:0af942a320ab7d9a040342ac8c6998314862810fa4c6158335ac9863b0125f0c
+size 36712448