Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ maximedb--sick_nl/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 maximedb--sick_nl/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:b71abdfaa139c4bdb7c9169b92079c369408e853c03c935384e258959b7b8b83
+size 2633728