👷 Update CMP0135 to new behaviour (Thalhammer#385)

closes Thalhammer#384

Author: Thalhammer

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.14)
 cmake_policy(VERSION 3.14)
 if(POLICY CMP0135) # DOWNLOAD_EXTRACT_TIMESTAMP
-  cmake_policy(SET CMP0135 OLD)
+  cmake_policy(SET CMP0135 NEW)
 endif()
 
 # HUNTER_ENABLED is always set if this package is included in a project using hunter (HunterGate sets it) In this case