Update tag.yml

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

This PR updates the GitHub Actions workflow for tagging and releasing in the ultralytics/docs repository.

📊 Key Changes

• 📌 Removed the condition to check if publish_tag and publish_release inputs are true.
• ⚙️ Streamlined the tag publishing step by removing redundant conditions.
• 🐍 Simplified the Python environment setup and dependency installation steps by eliminating extra checks.

🎯 Purpose & Impact

• 🧹 Simplification: Reduces complexity in the workflow by removing unnecessary conditions.
• 🚀 Efficiency: Streamlines the process of tagging and releasing new versions, making it quicker and reducing potential errors.
• 🔧 Maintenance: Easier to maintain the workflow due to fewer conditional checks and simplified steps.