Update duckdb index files

.gitattributes

@@ -80,3 +80,4 @@ voidful--commonvoice_10_unit/bn.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/bn.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/br.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/br.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/br.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

voidful--commonvoice_10_unit/br.validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9c029a1de7abfae0a000d9952a03c357b42132faacbf696d4385b2b0a1638d7
+size 1847296