deps:(deps-dev): update pytest-cov requirement

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@v3.0.0...v5.0.0)

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

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

pyproject.toml

@@ -54,7 +54,7 @@ dev = [
 ]
 test = [
   "pytest>=7.1.3,<7.3.0",
-  "pytest-cov>=3.0.0,<3.1.0",
+  "pytest-cov>=3.0.0,<5.1.0",
   "pytest-xdist>=3.0.0,<3.2.0",
   "pytest-sugar>=0.9.4,<0.10.0",
   "pytest-testmon==2.1.0",