COMP: Update cmake_minimum_required to 3.16.3

CI Windows test failures.

CMake Warning at D:/a/ITKCuberille/ITK/CMake/ITKModuleExternal.cmake:15 (message):
-- This is needed to allow proper setting of CMAKE_MSVC_RUNTIME_LIBRARY.
-- Do not be surprised if you run into link errors of the style:
  LNK2038: mismatch detected for 'RuntimeLibrary': value 'MTd_Static' doesn't match value 'MDd_Dynamic' in module.obj
  cmake_minimum_required must be at least 3.16.3
Call Stack (most recent call first):
  CMakeLists.txt:7 (include)

Author: thewtex

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2)
+cmake_minimum_required(VERSION 3.16.3)
 project(Cuberille)
 
 if(NOT ITK_SOURCE_DIR)