chore: changed version y back to 12 after rebasing to devel

Author: jjjermiah

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: PharmacoGx
 Type: Package
 Title: Analysis of Large-Scale Pharmacogenomic Data
-Version: 3.13.2
+Version: 3.12.2
 Date: 2025-05-22
 Authors@R: c(
     person(given="Petr", family="Smirnov", email="petr.smirnov@uhnresearch.ca",