update reflection-cpp version to 0.4.0

Signed-off-by: Christian Parpart <christian@parpart.family>

Author: christianparpart

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
-project(reflection-cpp VERSION 0.3.1 LANGUAGES CXX)
+project(reflection-cpp VERSION 0.4.0 LANGUAGES CXX)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)