Update duckdb index files

.gitattributes

@@ -67,3 +67,4 @@ default/encodec_24k_24bps/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k_3bps/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 sha256:8a70d43ffe4a93f4c91e5be4e5bc1d720d12d8911a7c030f795f49825031449f
+size 362033152