Update duckdb index files

.gitattributes

@@ -76,3 +76,4 @@ voidful--commonvoice_10_unit/bg.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/bg.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/bg.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/bn.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/bn.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

voidful--commonvoice_10_unit/bn.train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dace94e16265da132e8200aebaf85248ad0d65ac7c0d2680724cc4e96577c99e
+size 12857344