Update duckdb index files

.gitattributes

@@ -67,3 +67,4 @@ default/encodec_24k/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_en_libritts_16k_gr8nq32ds320/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_zh_en_16k_nq32ds640/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/speech_tokenizer_16k/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/speech_tokenizer_16k/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d306730b46a43d8b88a347ac83bd3618805af3474a731cd6c297d8988e1d7ef5
+size 14692352