Merge pull request #168 from takluyver/codecov-action-v2

Use codecov Github action v2

Author: davidbrochart

.github/workflows/main.yml

@@ -47,11 +47,11 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -e .[test]
-        pip install tox coverage codecov tox-gh-actions
+        pip install tox coverage tox-gh-actions
     - name: Run the tests
       run: tox
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v2
       with:
           file: ./coverage.xml
           flags: unittests