Update duckdb index files

.gitattributes

@@ -249,3 +249,4 @@ zh-faq-question/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 all-cqa-question/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es-cqa-page/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pt-faq-domain/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+vi-all-question/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

vi-all-question/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:375664a76ca3e617422a429253104b14abd119134d41ddd46c0b5d404477a28d
+size 2969317376