Update pytest-cov requirement from ~=5.0 to >=5,<7

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@v5.0.0...v6.0.0)

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

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

pyproject.toml

@@ -34,7 +34,7 @@ tests = [
     "jupyter~=1.0",
     "mypy~=1.13",
     "pytest~=8.3",
-    "pytest-cov~=5.0",
+    "pytest-cov>=5,<7",
     "ruff~=0.7.1",
     "types-requests~=2.32",
 ]