Update duckdb index files

.gitattributes

@@ -93,3 +93,4 @@ Cell_Biology_Alberts_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs
 Biochemistry_Lippincott_paraphrase_3/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Gynecology_Novak_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Histology_Ross_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Immunology_Janeway_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Immunology_Janeway_paraphrase/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dbcf8651a0379a040f51e0a8e4779003a29c78eeb639c74724ed8f67ec35ef4e
+size 13905920