Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ metaeval--x-fact/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 metaeval--x-fact/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 metaeval--x-fact/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d50ff3f5e909358803dba7515daa021b1eac6eec7bba5ec4f6f13661cfd66f04
+size 8663040