Update Alert action

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Enhanced the issue auto-labeling script to improve clarity and guidance in handling potentially inappropriate content.

📊 Key Changes

• Updated review message format for flagged content:
  • Title changed to "Content Under Review."
  • Added specific links to Ultralytics Actions and GitHub repository for further information.
• Expanded the "Alert" label description to include more specific examples of inappropriate content (e.g., phishing, crypto offers).
• Modified instructions for labeling issues:
  • Added step to ensure "Alert" label is used only with high confidence.
  • Improved clarity around the process of selecting relevant labels.

🎯 Purpose & Impact

• Purpose:
  • To refine the auto-labeling process, making it clearer and more effective in identifying and responding to inappropriate content.
• Impact:
  • For Users: More transparent review process with additional resources for queries or reports.
  • For Maintainers: Better guidance in labeling and addressing issues quickly, reducing the likelihood of mislabeling and overlooking critical issues.