ModuleUpdate/Setup: install pkg_resources, check pip, typing and cleanup (#1593)

* ModuleUpdater/setup: install pkg_resources and check for pip

plus minor cleanup in the github actions

* ModuleUpdate/setup: make flake8 happy

* ModuleUpdate/setup: make mypy happier

.github/workflows/unittests.yml

@@ -52,8 +52,8 @@ jobs:
         python-version: ${{ matrix.python.version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip wheel
-        pip install flake8 pytest pytest-subtests
+        python -m pip install --upgrade pip
+        pip install pytest pytest-subtests
         python ModuleUpdate.py --yes --force --append "WebHostLib/requirements.txt"
     - name: Unittests
       run: |