build(deps-dev): update pytest-cov requirement from ~=4.1 to >=5.0

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@v4.1.0...v5.0.0)

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

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

pyproject.toml

@@ -40,7 +40,7 @@ dev = [
     "pystac[validation]>=1.8.4",
     "pytest~=7.3",
     "pytest-asyncio~=0.21",
-    "pytest-cov~=4.1",
+    "pytest-cov>=5.0",
     "ruff==0.3.4",
     "types-aiofiles~=23.1",
     "types-python-dateutil~=2.9",