Update pytest-cov requirement from >=2.8.1 to >=5.0.0 (#18)

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...v5.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 5.0.0
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Dylan-FMK <165705029+Dylan-FMK@users.noreply.github.com>

Author: dependabot[bot]

test-requirements.txt

@@ -1,5 +1,5 @@
+pytest-cov >= 5.0.0
 pytest >= 8.3.5
-pytest-cov >= 2.8.1
 tox >= 4.25.0
 flake8 >= 5.0.4
 types-python-dateutil >= 2.8.19.14