Update duckdb index files

.gitattributes

@@ -60,3 +60,4 @@ default/academicodec_hifi_24k_320d/partial-index.duckdb filter=lfs diff=lfs merg
 default/dac_16k/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/audiodec_24k_320d/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/dac_24k/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/encodec_24k_12bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/encodec_24k_12bps/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5338301ab07f4c8782e927c03a1914aaa2b6cbb8f29debc3b41be34364dbe671
+size 3766235136