Update duckdb index files

.gitattributes

@@ -39,3 +39,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.mp3 filter=lfs diff=lfs merge=lfs -text
 *.ogg filter=lfs diff=lfs merge=lfs -text
 *.wav filter=lfs diff=lfs merge=lfs -text
+NX2411--AIhub-korean-speech-data-large/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

NX2411--AIhub-korean-speech-data-large/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1eec800713cd1a73eae34fe378c85ad88ac7e77ec098612f740663abe23d8df4
+size 382742528