Bump pytest-cov from 2.10.1 to 2.11.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 2.10.1 to 2.11.0.
- [Release notes](https://github.com/pytest-dev/pytest-cov/releases)
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v2.10.1...v2.11.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

test-requirements.txt

@@ -25,7 +25,7 @@ pluggy==0.13.1            # via pytest
 py==1.10.0                # via pytest
 pygments==2.7.4           # via sphinx
 pyparsing==2.4.7          # via packaging
-pytest-cov==2.10.1        # via -r test-requirements.in
+pytest-cov==2.11.0        # via -r test-requirements.in
 pytest==6.2.1             # via -r test-requirements.in, pytest-cov
 pytz==2020.5              # via babel
 requests==2.25.1          # via sphinx