Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ default/original/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/academicodec_hifi_16k_320d/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/academicodec_hifi_16k_320d_large_uni/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/academicodec_hifi_24k_320d/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/dac_16k/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/dac_16k/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:efb33768c7abda0868a31f75151d4432e61201a16a126f91ee64e5644f328374
+size 4693962752