message: examples: modernize set_actuator CMakeLists.txt
diff: -cmake_minimum_required(VERSION 2.8.12)
  +cmake_minimum_required(VERSION 3.10.2)
  +
  +set(CMAKE_CXX_STANDARD 17)
  +set(CMAKE_CXX_STANDARD_REQUIRED ON)
  project(set_actuator)
  -if(NOT MSVC)
  - add_definitions("-std=c++11 -Wall -Wextra -Werror ")
  +if(MSVC)
  + add_definitions("-WX -W2")
  else()
  - add_definitions("-std=c++11 -WX -W2")
  + add_definitions("-Wall -Wextra")
  endif()
  find_package(MAVSDK REQUIRED)
  