Update duckdb index files

.gitattributes

@@ -69,3 +69,4 @@ legaladvice/train.json filter=lfs diff=lfs merge=lfs -text
 stanfordnlp--SHP/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 stanfordnlp--SHP/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 stanfordnlp--SHP/train/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:cfbee16538f19f98f80aa5b514c46f3a56e702f5d05bc0b41b589271b230fc4b
+size 67121152