Switch to codecov Python package

Author: codingjoe

.github/workflows/tests.yml

@@ -25,11 +25,9 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip setuptools
+        python -m pip install --upgrade pip setuptools codecov
         pip install django~=${{ matrix.django-version }}
     - name: Test with pytest
       run: python setup.py test
     - name: Codecov
-      uses: codecov/[email protected]
-      with:
-        token: ${{secrets.CODECOV_TOKEN}}
+      run: codecov