Typeshed cherry-pick: Make type of unitest.mock.Any a subclass of Any (#14708)

Author: KevinRK29

mypy/typeshed/stdlib/unittest/mock.pyi

@@ -508,7 +508,8 @@ class MagicProxy(Base):
     def create_mock(self) -> Any: ...
     def __get__(self, obj: Any, _type: Any | None = None) -> Any: ...
 
-class _ANY:
+# See https://github.com/python/typeshed/issues/14701
+class _ANY(Any):
     def __eq__(self, other: object) -> Literal[True]: ...
     def __ne__(self, other: object) -> Literal[False]: ...
     __hash__: ClassVar[None]  # type: ignore[assignment]