bump to gradio 6.0 (currently in dev release), make trackio compatible, and fix associated bugs

[abidlabs]

Closes: #301 (due to gradio-app/gradio#12064)

[gradio-pr-bot]

🪼 branch checks and previews

•	Name	Status	URL
🦄	Changes	detected!	Details

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
trackio	minor

---

• bump to gradio 6.0 (currently in dev release), make trackio compatible, and fix associated bugs

---

‼️ Changeset not approved. Ensure the version bump is appropriate for all packages before approving.

• Maintainers can approve the changeset by checking this checkbox.

Something isn't right?

• Maintainers can change the version label to modify the version bump.
• If the bot has failed to detect any changes, or if this pull request needs to update multiple packages to different versions or requires a more comprehensive changelog entry, maintainers can update the changelog file directly.