build(deps-dev): bump pytest-cov from 2.10.0 to 2.10.1

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 2.10.0 to 2.10.1.
- [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@v2.10.0...v2.10.1)

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