Pass --device for --task study

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Improved device specification in YOLOv5 validation script.

📊 Key Changes

• Added device parameter to run function call within the validation script (val.py).

🎯 Purpose & Impact

• 🏃‍♂️ Allows explicit control of the computing device (CPU/GPU) for validation runs, enhancing flexibility.
• ⚙️ Gives users the ability to easily run validations on their preferred hardware, potentially improving resource management and performance.
• 🚀 Can impact user experience by providing smoother setup for validations across different computational environments.