Update duckdb index files

.gitattributes

@@ -58,3 +58,4 @@ ksgr5566--trial2/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ksgr5566--trial2/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/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 sha256:16cfc158f2311c862423db525ea6ec09e0db66ac535d11407dfdf6ef117cc5a4
+size 1060864