Deprecate for recommended five years

Co-authored-by: Petr Viktorin <[email protected]>

Author: hugovk

Lib/ctypes/macholib/__init__.py

@@ -10,6 +10,6 @@ def __getattr__(name):
     if name == "__version__":
         from warnings import _deprecated
 
-        _deprecated("__version__", remove=(3, 17))
+        _deprecated("__version__", remove=(3, 20))
         return "1.0"  # Do not change
     raise AttributeError(f"module {__name__!r} has no attribute {name!r}")