chore(deps-dev): update pytest-cov requirement from ~=5.0 to ~=6.0

Updates the requirements on [pytest-cov](https://github.com/pytest-dev/pytest-cov) to permit the latest version.
- [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
...

Signed-off-by: dependabot[bot] <[email protected]>

Pipfile

@@ -8,7 +8,7 @@ httpretty = "~=1.1"
 mock = "~=5.1"
 pre-commit = "~=3.5"
 pytest = "~=8.3"
-pytest-cov = "~=5.0"
+pytest-cov = "~=6.0"
 python-dateutil = "~=2.9"
 ruff = "~=0.7.4"
 tox = "~=4.23"