Update duckdb index files

.gitattributes

@@ -60,3 +60,4 @@ mfromm--AMSR/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 mfromm--AMSR/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 sha256:55dbe774a00e2aa3f6910e051e1862fd1e6eb791202a0eb824036bcffd403808
+size 1847296