Update duckdb index files

.gitattributes

@@ -58,3 +58,4 @@ intensity/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 intensity/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 binary/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 intensity/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a24a9c98843559fce00e0e3959bb2a88f67dc8d3eb906cad881c6602fee0c76a
+size 1323008