Update duckdb index files

.gitattributes

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

default/encodec_24k_12bps/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:00efdd5836a55e67a0275075402a50d7ae9ecf5b9c4dea7d081c073ea7557c95
+size 2200449024