Update duckdb index files

.gitattributes

@@ -111,3 +111,4 @@ vi/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 vi/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 en/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 en_flat/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+all/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

all/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b2bb5ee13305de3162ea2bf9e3d3ad8884e4d66114b43e8546ace78c812b8d6d
+size 3487838208