Update duckdb index files

.gitattributes

@@ -63,3 +63,4 @@ default/original/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/dac_44k/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k/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 sha256:725951fbb81c4df71bd55a5f9c7fa58a5228c88ad9dee797d427d6ee17c3f547
+size 245379072