Update duckdb index files

.gitattributes

@@ -62,3 +62,4 @@ default/encodec_24k_24bps/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/dac_24k/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k_6bps/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_gr1nq32ds320/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_en_libritts_16k_gr8nq32ds320/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dc7f76c432b546d62f37dfb0c085ce64bb468e36cb4a9290593cbf72530a6ff8
+size 1323008