Store hunter build files in CMake binary directory

Author: adazem009

build/HunterPackages.cmake

@@ -8,6 +8,8 @@ set(PROJECT_NAME "")
 set(HUNTER_URL "https://github.com/scratchcpp/hunter/archive/ee768cdd2c027b5be346f114e726d4b0c4296de6.zip")
 set(HUNTER_SHA1 "4A018750743AC656A859C99C655723EAF68EE038")
 
+set(HUNTER_ROOT "${CMAKE_BINARY_DIR}/_hunter")
+
 set(HUNTER_LLVM_VERSION 19.1.0)
 set(HUNTER_LLVM_CMAKE_ARGS
     LLVM_ENABLE_CRASH_OVERRIDES=OFF