ci: Add python-version matrix

Author: softwaredevelop

.github/workflows/python-linter.yml

@@ -34,12 +34,13 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: ${{ matrix.python-version }}
       - name: Upgrade pip, Install nox
         run: |
           python -m pip install --upgrade pip