build(deps-dev): update mypy requirement from ^0.931 to ^0.940 (#166)

* build(deps-dev): update mypy requirement from ^0.931 to ^0.940

Updates the requirements on [mypy](https://github.com/python/mypy) to permit the latest version.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.931...v0.940)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

* Prefer 'object' to 'Any' for the second arg to __eq__()

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Stein Magnus Jodal <stein.magnus@jodal.no>

pyproject.toml

@@ -27,7 +27,7 @@ flake8-bugbear = "^22.1.11"
 flake8-isort = "^4.0.0"
 flake8-pyi = "^22.1.0"
 isort = "^5.9.2"
-mypy = "^0.931"
+mypy = "^0.940"
 pytest = "^7.0.0"
 pytest-cov = "^3.0.0"
 pytest-mock = "^3.6.1"

src/pykka/_proxy.pyi

@@ -33,7 +33,7 @@ class ActorProxy:
     def _is_self_proxy(self, attr: Any) -> bool: ...
     def _is_callable_attribute(self, attr: Any) -> bool: ...
     def _is_traversable_attribute(self, attr: Any) -> bool: ...
-    def __eq__(self, other: Any) -> bool: ...
+    def __eq__(self, other: object) -> bool: ...
     def __hash__(self) -> int: ...
     def __dir__(self) -> Dict[str, Any]: ...
     def __getattr__(