Update duckdb index files

.gitattributes

@@ -98,3 +98,4 @@ Neurology_Adams_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 Obstentrics_Williams_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pathology_Robbins_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pediatrics_Nelson_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Pharmacology_Katzung_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Pharmacology_Katzung_paraphrase/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f2d475728753ff901fd851c514fbc10d582443182e5a8518df193f72c259848
+size 23343104