Update .pre-commit-config.yaml

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Improved pre-commit hooks to prevent commits directly to the master branch.

📊 Key Changes

• Added a new hook, no-commit-to-branch, to restrict direct commits to the master branch.
• Removed the stages restriction on the end-of-file-fixer hook.

🎯 Purpose & Impact

• 🚫 The new no-commit-to-branch hook ensures that developers do not accidentally commit changes directly to the master branch, which promotes better code management and review practices.
• ✅ Removing the stages restriction on the end-of-file-fixer hook allows for automatic fixing of end-of-file issues regardless of the commit stage, simplifying and streamlining code maintenance.
• 🔒 Overall, these changes aim to enforce better code contribution workflows, leading to a more robust, clean, and stable codebase for YOLOv5 users and contributors.