build(deps): bump pytest-cov from 6.3.0 to 7.0.0 in /requirements (#438)

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 6.3.0 to 7.0.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.3.0...v7.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements/_tests.txt

@@ -2,5 +2,5 @@ coverage ==7.2.7; python_version < '3.8'
 coverage ==7.10.*; python_version >= '3.8'
 pytest ==7.4.3; python_version < '3.8'
 pytest ==8.4.*; python_version >= '3.8'
-pytest-cov ==6.3.0
+pytest-cov ==7.0.0
 pytest-timeout ==2.4.0