build(deps): bump pytest-cov in the test-dependencies group

Bumps the test-dependencies group with 1 update: [pytest-cov](https://github.com/pytest-dev/pytest-cov).


Updates `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
  dependency-group: test-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -39,7 +39,7 @@ tests = [
     "pytest==8.4.2",
     "pyvista==0.46.3",
     "pytest-pyvista==0.2.0",
-    "pytest-cov==6.3.0",
+    "pytest-cov==7.0.0",
     "pyside6==6.9.2",
 ]