Make AriaBreadcrumbItemProps interface public

[stefanprobst]

Closes #1303

✅ Pull Request Checklist:

• Included link to corresponding React Spectrum GitHub Issue.
• Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• Filled out test instructions.
• Updated documentation (if it already exists for this component).
• Looked at the Accessibility Practices for this feature - Aria Practices

📝 Test Instructions:

🧢 Your Project:

[LFDanLu]

I probably should've asked earlier, but what do you need this type for? I assume you are using the useBreadcrumbItem hook and need this for prop typing purposes?

LGTM, just curious.

[stefanprobst]

I assume you are using the useBreadcrumbItem hook and need this for prop typing purposes

yes exactly - i mostly try to use the hook props as component props