Update duckdb index files

.gitattributes

@@ -68,3 +68,4 @@ default/audiodec_24k_320d/partial-index.duckdb filter=lfs diff=lfs merge=lfs -te
 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_1_5bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/encodec_24k_3bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/encodec_24k_3bps/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a86dc81dd5c4638cd7b33dab485fa5cfc9d76dea32156cc58f6da71d9dd76aa5
+size 4547162112