Update duckdb index files

.gitattributes

@@ -76,3 +76,4 @@ Cell_Biology_Alberts_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Gynecology_Novak_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Histology_Ross_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Neurology_Adams_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Immunology_Janeway_128/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Immunology_Janeway_128/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f7a9bb603acc958b664228a132611a83748790ff6b778e8e8dd3d2806976f402
+size 5255168