Update duckdb index files

.gitattributes

@@ -90,3 +90,4 @@ Biochemistry_Lippincott_annotate/train/index.duckdb filter=lfs diff=lfs merge=lf
 Biochemistry_Lippincott_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Biochemistry_Lippincott_paraphrase_2/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Cell_Biology_Alberts_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Biochemistry_Lippincott_paraphrase_3/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Biochemistry_Lippincott_paraphrase_3/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52e285197cc0befe82e03dde4027a75a475920b1f7f60bc1b23db0dea333ceeb
+size 6828032