Checkbox group accessibility

[qroll]

Component
CheckboxGroup

Describe the feature request

• Align the component with the accessibility behaviour defined in the Figma specs for group of checkboxes

Acceptance criteria

• Checkbox roles should be correctly read out by the AT
• The label and error message should be associated with the checkboxes
• Keyboard support should follow native behaviour
  • Tab and Shift+Tab should navigate between checkboxes
  • Space should toggle the checkboxes
• Minimally test in NVDA + Chrome (Windows), VO + Safari (macOS), Talkback + Chrome (Android)

References
Figma