Update Next.js config and docs for 13.1

[reidbarber]

Closes #3895

Updates example app and updates SSR docs to work with Next.js 13.1. Old way with next-transpile-modules is kept in the docs, but collapsed.

✅ 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:

1. Check updated config in example app.
2. Check updated docs: https://reactspectrum.blob.core.windows.net/reactspectrum/1493d243ca43ec7aa33fa8d041486c38b15604fd/docs/react-spectrum/ssr.html#nextjs

🧢 Your Project:

[snowystinger]

We need to delete the yarn.lock on the example

[dannify]

Looks like this is breaking prod docs

[LFDanLu]

Reran build, looks like an intermittent failure, prod docs look good now.

[leerob]

Thank you for updating this!