chore(deps-dev): bump pytest-cov from 5.0.0 to 6.0.0 in the pytest group

Bumps the pytest group with 1 update: [pytest-cov](https://github.com/pytest-dev/pytest-cov).


Updates `pytest-cov` from 5.0.0 to 6.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest-cov/compare/v5.0.0...v6.0.0)

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

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

requirements-dev.txt

@@ -12,7 +12,7 @@ mypy==1.13.0
 pre-commit==4.0.1
 pytest==8.3.3
 pytest-asyncio==0.24.0
-pytest-cov==5.0.0
+pytest-cov==6.0.0
 pytest-mock==3.14.0
 pytest-random-order==1.1.1
 pytest-timeout==2.3.1