Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 halaction--song-lyrics/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+halaction--song-lyrics/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

halaction--song-lyrics/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5bb3719153ffb40d4c126191126a3e4c5a232e68c3ca8156b2cd3c91ea1e0d90
+size 19935232