Bump pytest-cov from 5.0.0 to 6.0.0 (#243)

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

---
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>

requirements-dev.txt

@@ -5,6 +5,6 @@ flake8==7.1.0
 lizard==1.17.10
 moto==5.0.11
 pytest==8.3.2
-pytest-cov==5.0.0
+pytest-cov==6.0.0
 pytest-mock==3.14.0
 pytest-sugar==1.0.0