Update duckdb index files

.gitattributes

@@ -61,3 +61,4 @@ default/dac_44k/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/academicodec_hifi_16k_320d_large_uni/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/dac_16k/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:e0d529b897bae7a7b5bad9b96f219291cd0284b4937df7c940fe743a0ce324fb
+size 22294528