Update duckdb index files

eng_Latn-lao_Laoo/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5154327bbbcda2d60c980392aa443dcf40474e30740ac80f71fe145bdb89176e
-size 35926016
+oid sha256:9512fb16570ddebf5799d8b169670ee123836906184ea18c64ae1f3093a2ccd8
+size 36712448