Bump pytest-cov from 5.0.0 to 7.1.0 in /tools

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 5.0.0 to 7.1.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v5.0.0...v7.1.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 7.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

tools/requirements_pytest.txt

@@ -1,3 +1,3 @@
 pytest==8.3.2
-pytest-cov==5.0.0
+pytest-cov==7.1.0
 hypothesis==6.112.0