Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ data/test.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/train.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/metadata-test.csv filter=lfs diff=lfs merge=lfs -text
 default/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/partial-test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c0a9e066f399417edddac0c9f3cc4438638b8000d207291f066316b33aecfabc
+size 447492096