Update useTagGroup and useTag returned prop names

[reidbarber]

Updating the returned props from useTagGroup and useTag to better reflect the roles of the elements they are used for. This better matches out existing APIs (i.e. useGridList) and makes it more clear to the user what roles are being used.

✅ 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:

[rspbot]

Build successful! 🎉

• View the storybook
• View the storybook-17
• View the storybook-16
• View the documentation

[rspbot]

Build successful! 🎉

• View the storybook
• View the storybook-17
• View the storybook-16
• View the documentation

[rspbot]

## API Changes

unknown top level export { type: 'identifier', name: 'Column' }
unknown top level export { type: 'identifier', name: 'Column' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }

@react-aria/tag

TagGroupAria

 TagGroupAria {
   descriptionProps: DOMAttributes
   errorMessageProps: DOMAttributes
+  gridProps: DOMAttributes
   labelProps: DOMAttributes
-  tagGroupProps: DOMAttributes
 }

it changed:

• useTagGroup

TagAria

 TagAria {
   clearButtonProps: AriaButtonProps
+  gridCellProps: DOMAttributes
   labelProps: DOMAttributes
-  tagProps: DOMAttributes
-  tagRowProps: DOMAttributes
+  rowProps: DOMAttributes
 }

it changed:

• useTag

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