Update Discord invite URLs

[glenn-jocher]

🤖 Generated by Copilot at b98df8d

Summary

🔗🗣️🌐

The pull request updates the Discord invite link in several files, including README.md, README.zh-CN.md, .github/ISSUE_TEMPLATE/config.yml and tutorial.ipynb. This change enhances the communication and support for the users of YOLOv5.

Sing, O Muse, of the swift and skillful changes
That the noble contributors of YOLOv5 made
To renew the sacred link of their Discord channel
And invite more heroes to their glorious aid

Walkthrough

• Update the Discord invite link to a new one in various files (link, link, link, link, link, link, link, link, link, link)

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Update of Discord invitation links across the YOLOv5 repository.

📊 Key Changes

• Updated the Discord invitation URL in the issue template configuration.
• Changed the Discord link in both English and Chinese versions of the README.
• Adjusted the Discord hyperlink in the Jupyter notebook tutorial.

🎯 Purpose & Impact

• 🎉 Ensures community support links are up-to-date, allowing users to easily join the Ultralytics Discord community.
• 🤝 Encourages better community engagement by directing users to the correct Discord channel.
• 🌐 Supports both English and Chinese speaking users, providing a global outreach.