build(deps-dev): bump pytest-cov from 2.10.1 to 5.0.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 2.10.1 to 5.0.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v2.10.1...v5.0.0)

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

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

setup.cfg

@@ -28,7 +28,7 @@ install_requires =
 testing =
     ddt >= 0.7.0
     mock-services >= 0.3
-    pytest-cov == 2.10.1
+    pytest-cov == 5.0.0
     pytest >= 6.1.2
     # mock-services is old and unmaintained. Doesn't work with newer versions
     # of requests-mock. Thus, we have to pin it down.