Update duckdb index files

.gitattributes

@@ -196,3 +196,4 @@ voidful--commonvoice_10_unit/lt.validation/index.duckdb filter=lfs diff=lfs merg
 voidful--commonvoice_10_unit/lv.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/lv.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/lv.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/mdf.test/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f3935efa4ce58913e725d645be700fd31035260801c637e9a2207850c4ceed4b
+size 1060864