fix(RAC): use KeyboardProps in Keyboard component and context

[artola]

Closes #9666

✅ 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. Use KeyboardProps as the prop type in the Keyboard component
2. Verify TypeScript correctly identifies render prop and other props from DOMRenderProps<'kbd', undefined>
3. Verify no TypeScript errors when using the Keyboard component with the render prop

🧢 Your Project:

React Aria Components

[snowystinger]

Awesome, thank you!