Update pytest-cov requirement from <5.0,>=2.10.1 to >=2.10.1,<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@v2.10.1...v5.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -84,7 +84,7 @@ dev-test = [
     # NOTE: pytest-asyncio>=0.22 breaks importing with an error about multiple
     #   imports of sample modules
     "pytest-asyncio>=0.21.0,<0.22",
-    "pytest-cov>=2.10.1,<5.0",
+    "pytest-cov>=2.10.1,<6.0",
     "pytest-html>=3.1.1,<5.0",
     "pytest>=6.2.5,<8.0",
     "tls_test_tools>=0.1.1",