Make changes for WCAG 2.2

[trang-erskine]

What

Why

Who needs to work on this

Who needs to review this

Done when

• [ ] Mapping our components to WCAG 2.2 criteria
• [ ] Identify gaps where our components don't meet the updated WCAG 2.2 criteria
• [ ] Consider whether we want to publish a new accessibility statement about the gaps (after publication)
• [ ] Scope and plan the investigation / implementation
• [ ] ...(list the gaps)
• [ ] Blog about the changes