Update ci-testing.yml

[glenn-jocher]

copilot:all

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Updated CI workflow to notify on both test failures and cancellations.

📊 Key Changes

• CI testing workflow (.github/workflows/ci-testing.yml) has been modified.
• The conditional check for sending failure notifications now includes both failure and cancelled states.

🎯 Purpose & Impact

• 🎯 Purpose:
  • To extend the existing GitHub Actions workflow to send notifications not only when tests fail but also when they are cancelled.
• 💥 Impact:
  • Ensures that the team is promptly notified about cancelled test runs in addition to failures, allowing for quicker responses and potential troubleshooting.
  • Enhances project maintenance and monitoring effectiveness.