Update greetings.yml

[glenn-jocher]

🤖 Generated by Copilot at 862c8f1

Summary

🚀🛠️🌐

Fix broken link to AWS Quickstart Guide in greetings.yml. This change helps users who want to use YOLOv5 on AWS.

Quickstart Guide link
Broken no more, users smile
Autumn of errors

Walkthrough

• Update the AWS Quickstart Guide link in the greeting message for new issues and pull requests (link)

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Update to documentation links in GitHub greetings workflow.

📊 Key Changes

• Corrected the URL for the AWS Quickstart Guide in greetings workflow.

🎯 Purpose & Impact

• 🎯 Purpose: This change ensures that users have the correct link to the AWS Quickstart Guide, avoiding confusion and potential frustration.
• 🌍 Impact: Users new to the repository will receive accurate information when they are greeted by the automated workflow, improving their setup experience.