refactor pipeline config: detect top-level module name automatically

https://github.com/fphammerle/ical2vdir/commit/a6304756833de87af7317767452cfeaa2a54e179

.github/workflows/python.yml

@@ -59,11 +59,11 @@ jobs:
       env:
         PYTHON_VERSION: ${{ matrix.python-version }}
     - run: pipenv graph
-    - run: pipenv run pytest --cov=systemctl_mqtt --cov-report=term-missing --cov-fail-under=100
-    - run: pipenv run pylint --load-plugins=pylint_import_requirements systemctl_mqtt
+    - run: pipenv run pytest --cov="$(cat *.egg-info/top_level.txt)" --cov-report=term-missing --cov-fail-under=100
+    - run: pipenv run pylint --load-plugins=pylint_import_requirements "$(cat *.egg-info/top_level.txt)"
     # https://github.com/PyCQA/pylint/issues/352
     - run: pipenv run pylint tests/*
-    - run: pipenv run mypy systemctl_mqtt tests
+    - run: pipenv run mypy "$(cat *.egg-info/top_level.txt)" tests
     # >=1.9.0 to detect branch name
     # https://github.com/coveralls-clients/coveralls-python/pull/207
     # https://github.com/coverallsapp/github-action/issues/4#issuecomment-547036866