Update duckdb index files

.gitattributes

@@ -35,3 +35,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 16K_mp3_bokmaal/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 48K_mp3_bokmaal/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 16K_mp3_bokmaal/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+48K_mp3_bokmaal/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

48K_mp3_bokmaal/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:39aa94f57a16b714b08bc05056eebd9cdb1ceae51bda984947e57b88cf4eec80
+size 1473785856