Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ allenai--multixscience_sparse_max/parquet-train.parquet filter=lfs diff=lfs merg
 allenai--multixscience_sparse_max/parquet-validation.parquet filter=lfs diff=lfs merge=lfs -text
 allenai--multixscience_sparse_max/parquet-test.parquet filter=lfs diff=lfs merge=lfs -text
 allenai--multixscience_sparse_max/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+allenai--multixscience_sparse_max/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

allenai--multixscience_sparse_max/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:97f7da5f2e25b95660b0c683438bb3d47cc50a3acf6b382a5e015acb09d4d67f
+size 73674752