* Add testing-guardian job to aggregate test results * Potential fix for code scanning alert no. 2: Workflow does not contain permissions * Apply suggestions from code review --------- Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>