Add codecov token to fix upload failures

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.0.1 to 6.1.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/6.0.1...6.1.1)

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

.github/workflows/coverage.yml

@@ -34,6 +34,8 @@ jobs:
         tox -r -e cov
     - name: Codecov
       uses: codecov/codecov-action@v1.0.6
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
       with:
         flags: unittests
         file: ./coverage.xml

requirements_test.txt

@@ -5,7 +5,7 @@ flake8-docstrings==1.5.0
 pre-commit==2.6.0
 pylint==2.5.3
 pydocstyle==5.0.2
-pytest==6.0.1
+pytest==6.1.1
 pytest-cov==2.10.1
 pytest-sugar==0.9.4
 pytest-timeout==1.4.2