build(deps-dev): bump pytest-cov from 5.0.0 to 6.0.0

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] <[email protected]>

requirements-dev.txt

@@ -26,7 +26,7 @@ flake8-string-format == 0.3.0
 flake8-variables-names == 0.0.6
 pydoc-markdown == 4.8.2
 pytest == 8.3.3
-pytest-cov == 5.0.0
+pytest-cov == 6.0.0
 pytest-forked == 1.6.0
 pytest-icdiff == 0.9
 pytest-random-order == 1.1.1