Update action.yml

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Refined GitHub Action conditions and package management for improved efficiency.

📊 Key Changes

• Condition Update: Adjusted the condition for installing dependencies to trigger only on specific pull request events.
• Dependency Management: Moved requests package installation to specific script runs rather than general dependency install.

🎯 Purpose & Impact

• Efficiency Boost: Ensures dependencies are installed only when necessary, reducing unnecessary installations and speeding up workflows.
• Simplified Management: Makes package installation more context-specific, improving maintainability and reducing potential errors.

[UltralyticsAssistant]

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

• ✅ Define a Purpose: Your PR description is clear and covers the purpose effectively. If possible, link it to any relevant issues to provide context.
• ✅ Synchronize with Source: Make sure your PR is up-to-date with the main branch of ultralytics/actions. If it's not, you can update your branch by clicking the 'Update branch' button or running git pull and git merge main locally.
• ✅ Ensure CI Checks Pass: Verify that all Continuous Integration (CI) checks are passing. If there are any issues, please address them.
• ✅ Update Documentation: Check if your changes affect any existing workflows or usage documentation. If they do, please update the relevant documentation pages to reflect these changes.
• ✅ Add Tests: If applicable, include any tests to cover your changes and ensure all existing tests continue to pass. This helps maintain the reliability of the actions.
• ✅ Sign the CLA: If this is your first contribution to Ultralytics, please ensure you have signed the Contributor License Agreement. Comment "I have read the CLA Document and I sign the CLA" if you haven't already done so.
• ✅ Minimize Changes: Aim to keep your changes concise and focused on the goal stated. This helps in easier review and maintenance.

Key considerations from your PR:

• 🚀 Efficiency: You've optimized dependency installation for pull_request events, which enhances workflow performance.
• 🛠️ Simplification: By moving the requests package installation into specific steps, you have improved the clarity and maintainability of the script blocks.

For additional guidance, please refer to our Contributing Guide. Feel free to leave a comment if you have questions. Thank you for your valuable contribution! 🌟