Update pytest-cov requirement from <4.1,>=2.7.1 to >=2.7.1,<4.2 (#6157)

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](https://github.com/pytest-dev/pytest-cov/compare/v2.7.1...v4.1.0)

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

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

pyproject.toml

@@ -66,7 +66,7 @@ dev = [
     "pdoc>=4.0.0",
     "pyinstaller==5.10.1",
     "pytest-asyncio>=0.17,<0.22",
-    "pytest-cov>=2.7.1,<4.1",
+    "pytest-cov>=2.7.1,<4.2",
     "pytest-timeout>=1.3.3,<2.2",
     "pytest-xdist>=2.1.0,<3.4",
     "pytest>=6.1.0,<8",