Update duckdb index files

.gitattributes

@@ -65,3 +65,4 @@ default/speech_tokenizer_16k/partial-index.duckdb filter=lfs diff=lfs merge=lfs
 default/encodec_24k_6bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/original/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/audiodec_24k_320d/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/dac_24k/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/dac_24k/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29c3730f400b4502964d500cca8717e9f4e122f74ec751cc7b7249c3c73a86f2
+size 4581502976