Update duckdb index files

eng_Latn-lao_Laoo/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5e96ec7dfa3f5bd9571527617e02bdbbac6e0d34aeb21403617fe3cbbb375dd5
-size 35926016
+oid sha256:4ea07077aa8e7531060afcb6b45ed7926218518b9ad43bef40e9920b1ed07f3e
+size 36188160