Update codecov.yml

.github/workflows/codecov.yml

@@ -6,27 +6,28 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
+        python-version: [3.8, 3.9]
     env:
       OS: ${{ matrix.os }}
-      PYTHON: '3.8'
+      PYTHON: ${{ matrix.python-version }}
 
     steps:
-    - uses: actions/checkout@master
-    - name: Setup Python
-      uses: actions/setup-python@master
+    - uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: ${{ matrix.python-version }}
 
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install flake8 pytest
+        pip install flake8 pytest coverage
         pip install -e .
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
         
     - name: Generate coverage report
       run: |
-        pip install coverage
         coverage run -m unittest discover tests
         coverage xml
         
@@ -35,7 +36,6 @@ jobs:
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         env_vars: OS,PYTHON
-        version: "v0.1.15"
         fail_ci_if_error: true
         flags: unittests
         files: ./coverage.xml