Update format.yml

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

This PR updates the GitHub Actions workflow to use a simplified version of the Ultralytics formatting action.

📊 Key Changes

• 🔄 Switched the GitHub Actions dependency from ultralytics/actions@main to ultralytics/actions@actions-simplify-2.

🎯 Purpose & Impact

• ⚙️ Efficiency: Streamlines the workflow by utilizing a more optimized version of the formatting action, possibly reducing execution time and complexity.
• 🔧 Maintenance: Potentially reduces the chance of errors and simplifies future updates to the workflow.

[UltralyticsAssistant]

👋 Hello @glenn-jocher, thank you for submitting an ultralytics/velocity 🚀 PR! This is an automated response, and an Ultralytics engineer will also review your changes soon. To ensure a seamless integration of your work, please review the following checklist:

• ✅ Define a Purpose: Clearly explain the purpose of your update in your PR description, and link to any relevant issues. Make sure your commit messages are clear, concise, and adhere to the project's conventions.
• ✅ Synchronize with Source: Confirm your PR is synchronized with the ultralytics/velocity main branch. If it's behind, update it by clicking the 'Update branch' button or by running git pull and git merge main locally.
• ✅ Ensure CI Checks Pass: Verify all Ultralytics Continuous Integration (CI) checks are passing. If any checks fail, please address the issues.
• ✅ Update Documentation: If your changes affect functionality or usage, update the relevant documentation.
• ✅ Add Tests: If applicable, include or update tests to cover your changes, and confirm that all tests are passing.
• ✅ Sign the CLA: Ensure you have signed our Contributor License Agreement if this is your first Ultralytics PR by writing "I have read the CLA Document and I sign the CLA" in a new message.
• ✅ Minimize Changes: Limit your changes to the minimum necessary for your feature or update. "It is not daily increase but daily decrease, hack away the unessential. The closer to the source, the less wastage there is." — Bruce Lee

For additional guidance, refer to our Contributing Guide. Please feel free to leave any questions you may have in the comments. Thank you for improving Ultralytics! 🚀