[protobuf] Add reverse method to containers class

Author: npanuhin

stubs/protobuf/google/protobuf/internal/containers.pyi

@@ -25,6 +25,7 @@ class BaseContainer(Sequence[_T]):
     def __hash__(self) -> int: ...
     # Same as list.sort, the extra sort_function kwarg errors in Python 3
     def sort(self, *, key: Callable[[_T], Any] | None = None, reverse: bool = False) -> None: ...
+    def reverse(self) -> None: ...
     @overload
     def __getitem__(self, key: SupportsIndex) -> _T: ...
     @overload