Update duckdb index files

.gitattributes

@@ -71,3 +71,4 @@ default/encodec_24k_1_5bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -t
 default/encodec_24k_3bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k_24bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_gr1nq32ds320/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/funcodec_en_libritts_16k_gr8nq32ds320/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/funcodec_en_libritts_16k_gr8nq32ds320/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2522cd2476f866696d6090433ccaaeec0585685b4f1a5d221e62085b8f5435c0
+size 4689506304