fix: replace mach with mach2 fork (#28)

Author: davidkna

Cargo.toml

@@ -27,7 +27,7 @@ lazycell = "~1.3"
 
 [target.'cfg(any(target_os = "macos", target_os = "ios"))'.dependencies]
 libc = "^0.2"
-mach = "^0.3"
+mach = { version = "^0.4", package = "mach2" }
 core-foundation = "~0.9"
 
 [target.'cfg(target_os = "windows")'.dependencies]