Update duckdb index files

.gitattributes

@@ -69,3 +69,4 @@ default/encodec_24k_3bps/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k_12bps/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_nq32ds320/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_nq32ds640/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/funcodec_zh_en_16k_nq32ds320/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/funcodec_zh_en_16k_nq32ds320/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4292617b823ef48d6f95048f501cd158e3511b446ec6514361e5226fdda65f9e
+size 3420160