Update duckdb index files

.gitattributes

@@ -72,3 +72,4 @@ default/encodec_24k_3bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -tex
 default/encodec_24k_24bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_gr1nq32ds320/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_gr8nq32ds320/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 sha256:1971d2eab88a52bcaec2e83a21e881db1b39c91b76e72ac47c981c2afd9392ed
+size 4708642816