chore(deps): update pytest-cov requirement from ==6.3.* to ==7.0.*

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@v6.3.0...v7.0.0)

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

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

Author: dependabot[bot]

requirements-testing.txt

@@ -1,7 +1,7 @@
 coverage[toml] == 7.*
 coverage-conditional-plugin == 0.9.0
 pytest == 8.4.*
-pytest-cov == 6.3.*
+pytest-cov == 7.0.*
 pytest-timeout == 2.4.*
 pytest-xdist == 3.8.*
 black == 25.*