Update duckdb index files

.gitattributes

@@ -64,3 +64,4 @@ default/funcodec_en_libritts_16k_nq32ds320/partial-index.duckdb filter=lfs diff=
 default/original/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_nq32ds640/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_zh_en_16k_nq32ds320/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/funcodec_zh_en_16k_nq32ds640/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/funcodec_zh_en_16k_nq32ds640/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ca2c5da0c4b128ef42c09f32747e3e6ad8a3a53dc0c990c4041e2d6ac5656ef9
+size 5177356288