Bump codecov/codecov-action from 4 to 5 (#1458)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4 to 5.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4...v5)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/tests.yaml

@@ -198,4 +198,4 @@ jobs:
           micromamba run -n test sphinx-build -b html docs/ docs/_build/
           micromamba run -n test sphinx-build -b man docs/ docs/_build/
 
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5