v3.2.1 release prep (#409)

Co-authored-by: bneradt <bneradt@yahooinc.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Author: 3 people

CMakeLists.txt

@@ -8,7 +8,7 @@ cmake_minimum_required(VERSION 4.2.3)
 
 project(
   ProxyVerifier
-  VERSION 3.2.0
+  VERSION 3.2.1
   LANGUAGES C CXX)
 
 include(CTest)