v1.4.0

---------
2023-07-13:
    - check for killed child processes (for instance by OOMKiller)
    - change dill requirements for windows
    - require minimum python 3.8
    - remove python 3.7 tests
    - introduce PEP517 packaging standard
    - introduce pyproject.toml build-system
    - remove mypy.ini
    - remove pytest.ini
    - remove setup.cfg
    - remove setup.py
    - remove .bettercodehub.yml
    - remove .travis.yml
    - update black config
    - clean ./tests/test_cli.py
    - add codeql badge
    - move 3rd_party_stubs outside the src directory to ``./.3rd_party_stubs``
    - add pypy 3.10 tests
    - add python 3.12-dev tests

tests/test_wrapt_timeout_decorator.py

@@ -55,7 +55,7 @@ def can_not_be_pickled(x: float) -> None:
 
 
 def test_timeout_class_method(use_signals: bool) -> None:
-    with pytest.raises(TimeoutError, match=r"Function f timed out after 0\.3 seconds"):
+    with pytest.raises(TimeoutError, match=r"Function f1 timed out after 0\.3 seconds"):
         ClassTest1().f1(use_signals=use_signals)
     assert ClassTest1().f1(dec_timeout="instance.x", dec_allow_eval=True, use_signals=use_signals) is None