Bump pytest-cov from 2.12.1 to 3.0.0 (#45)

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 2.12.1 to 3.0.0.
- [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@v2.12.1...v3.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -42,7 +42,7 @@ pre-commit-hooks = "^4.0.1"
 pylint = "^2.11.1"
 pytest = "^6.2.4"
 pytest-asyncio = "^0.15.1"
-pytest-cov = "^2.12.1"
+pytest-cov = "^3.0.0"
 yamllint = "^1.26.3"
 pyupgrade = "^2.29.0"
 flake8-simplify = "^0.14.2"