Update pytest-cov requirement from ~=4.1 to ~=5.0 (#232)

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@v4.1.0...v5.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-type: direct:development
...

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

requirements_dev.txt

@@ -1,5 +1,5 @@
 otelib>=0.4.0,<1
 pylint~=3.1
 pytest~=8.1
-pytest-cov~=4.1
+pytest-cov~=5.0
 pyyaml>=5.0