Bump pytest-cov from 4.0.0 to 5.0.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 4.0.0 to 5.0.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v4.0.0...v5.0.0)

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

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

requirements/testing.txt

@@ -6,7 +6,7 @@ flake8-isort==6.1.1
 pydocstyle==6.3.0
 pylint==3.1.0
 pytest==8.1.1
-pytest-cov==4.0.0
+pytest-cov==5.0.0
 pytest-timeout==2.3.1
 setuptools==69.1.1
 twine==5.0.0