Update duckdb index files

.gitattributes

@@ -71,3 +71,4 @@ train_balanced_instructions/train/index.duckdb filter=lfs diff=lfs merge=lfs -te
 testdev_all_instructions/testdev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 val_all_images/val/index.duckdb filter=lfs diff=lfs merge=lfs -text
 submission_all_instructions/submission/index.duckdb filter=lfs diff=lfs merge=lfs -text
+val_balanced_images/val/index.duckdb filter=lfs diff=lfs merge=lfs -text

val_balanced_images/val/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1a1a1afc66fa64f58210272fad08b935133028e23e3e0dace2c8f03e0e8fc870
+size 1436037120