Update duckdb index files

.gitattributes

@@ -64,3 +64,4 @@ default/encodec_24k_12bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -te
 default/encodec_24k_3bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k_6bps/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/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/funcodec_en_libritts_16k_gr1nq32ds320/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eeb830788857cc04aea77f6bc0859f8000fe64515d4798c8d2dd60aa872409ef
+size 3208654848