Update duckdb index files

.gitattributes

@@ -206,3 +206,4 @@ voidful--commonvoice_10_unit/mk.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/mk.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/ml.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/ml.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/mn.test/index.duckdb filter=lfs diff=lfs merge=lfs -text

voidful--commonvoice_10_unit/mn.test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e362bdebf34f78dee40c8a2e1e8f52fe2dbc17b4493fa591cfe6f029b6f589be
+size 2109440