Update duckdb index files

.gitattributes

@@ -314,3 +314,4 @@ voidful--commonvoice_10_unit/yue.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/yue.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/yue.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/zh_CN.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/zh_CN.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e1958288894e3f35c192d4fe86e18e632b93250e27e3769483e271f64892ac5
+size 16003072