Update duckdb index files

.gitattributes

@@ -83,3 +83,4 @@ tn/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ur/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 xh/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+yo/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

yo/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0212c156523f2e5c2fe25341b8fd404f717aee1515b193b2b30784ef769007e2
+size 542388224