ENH: Bump CMakeLists.txt version to 4.12.1

Change-Id: I25b2405cb1efc41193d4a5289eaa7b994247bc77

Author: thewtex

CMakeLists.txt

@@ -74,7 +74,7 @@ set(main_project_name ${_ITKModuleMacros_DEFAULT_LABEL})
 # ITK version number.
 set(ITK_VERSION_MAJOR "4")
 set(ITK_VERSION_MINOR "12")
-set(ITK_VERSION_PATCH "1")
+set(ITK_VERSION_PATCH "2")
 
 if(NOT ITK_INSTALL_RUNTIME_DIR)
   set(ITK_INSTALL_RUNTIME_DIR bin)