Update pytest-cov requirement in the dev-deps group

Updates the requirements on [pytest-cov](https://github.com/pytest-dev/pytest-cov) to permit the latest version.

Updates `pytest-cov` to 7.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.2.0...v7.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 7.0.0
  dependency-type: direct:production
  dependency-group: dev-deps
...

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

Author: dependabot[bot]

pyproject.toml

@@ -97,7 +97,7 @@ test = [
     "pytest-timeout==2.4.*",
     "pytest-modern==0.7.*;platform_system!='Windows'",
     "coveralls==4.0.*",
-    "pytest-cov==6.2.*",
+    "pytest-cov==7.0.*",
     "coverage==7.10.*",
     "hypothesis==6.*",
     "parameterized==0.9.*",