Update action.yml

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Enhances how Python dependencies are handled in the GitHub action scripts.

📊 Key Changes

• 📝 Updated a comment for clarity: Specifies that a file must be run remotely using requests.
• 📦 Added requests to the list of Python packages to be installed.

🎯 Purpose & Impact

• 🚀 Clarity Improvement: Clearer documentation helps developers understand how to properly execute the script.
• 🔌 Dependency Management: Ensuring requests is installed to prevent potential errors during remote script execution.
• 🛠️ Reliability: Enhances reliability and functionality of the GitHub action, ensuring smoother automation workflows for users.