stdlib: Improve a bunch of __(a)exit__ methods (#7571)

stdlib/unittest/mock.pyi

@@ -1,6 +1,7 @@
 import sys
 from _typeshed import Self
 from contextlib import _GeneratorContextManager
+from types import TracebackType
 from typing import Any, Awaitable, Callable, Generic, Iterable, Mapping, Sequence, TypeVar, overload
 from typing_extensions import Literal
 
@@ -263,7 +264,9 @@ class _patch(Generic[_T]):
     temp_original: Any
     is_local: bool
     def __enter__(self) -> _T: ...
-    def __exit__(self, *exc_info: Any) -> None: ...
+    def __exit__(
+        self, __exc_type: type[BaseException] | None, __exc_value: BaseException | None, __traceback: TracebackType | None
+    ) -> None: ...
     def start(self) -> _T: ...
     def stop(self) -> None: ...
 
@@ -275,7 +278,7 @@ class _patch_dict:
     def __call__(self, f: Any) -> Any: ...
     def decorate_class(self, klass: Any) -> Any: ...
     def __enter__(self) -> Any: ...
-    def __exit__(self, *args: Any) -> Any: ...
+    def __exit__(self, *args: object) -> Any: ...
     start: Any
     stop: Any