Bump actions/setup-python from 2 to 4.1.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 4.1.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...v4.1.0)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/pythonapp.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4.1.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -33,7 +33,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python 3.8
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4.1.0
         with:
           python-version: 3.8
       - name: Intall Flake8

.github/workflows/pythonpublish.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4.1.0
         with:
           python-version: "3.x"
       - name: Install dependencies