build: update CMake policy to improve compatibility with modern CMake versions (#660)

Co-authored-by: tayne3 <tayne3@dingtalk.com>

CMakeLists.txt

@@ -1,4 +1,5 @@
 cmake_minimum_required(VERSION 3.6)
+cmake_policy(SET CMP0077 NEW)
 
 project(hv VERSION 1.3.3)