Bump pytest-cov from 5.0.0 to 6.0.0 in the actions group

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


Updates `pytest-cov` from 5.0.0 to 6.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v5.0.0...v6.0.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
 [project.optional-dependencies]
 test = [
     "matplotlib==3.9.2",
-    "pytest-cov==5.0.0",
+    "pytest-cov==6.0.0",
     "pytest-mpl==0.17.0",
     "pytest==8.3.3",
 ]