fix(macos): link ServiceManagement weakly for macOS 12 (#87)

Keep ServiceManagement optional so SMAppService is not required when the library loads on macOS 12.

Author: yx-wh

src/CMakeLists.txt

@@ -101,7 +101,7 @@ elseif(APPLE)
     target_link_libraries(nativeapi PUBLIC "-framework QuartzCore")
     target_link_libraries(nativeapi PUBLIC "-framework Carbon")
     target_link_libraries(nativeapi PUBLIC "-framework IOKit")
-    target_link_libraries(nativeapi PUBLIC "-framework ServiceManagement")
+    target_link_libraries(nativeapi PUBLIC "-weak_framework ServiceManagement")
     target_compile_options(nativeapi PRIVATE "-x" "objective-c++")
 elseif(CMAKE_SYSTEM_NAME STREQUAL "OHOS")
     # Full Preferences enumeration/flush requires API 23; display queries use