Update duckdb index files

.gitattributes

@@ -109,3 +109,4 @@ voidful--commonvoice_10_unit/dv.validation/index.duckdb filter=lfs diff=lfs merg
 voidful--commonvoice_10_unit/el.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/el.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/el.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/en.test/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3bf99779e72097914fb452e23da79ef64d99ad000bcad2b9049e8d3b9c4b748d
+size 13119488