New Tab design - Accessibility review

[caw310]

Issue Description

We need to conduct a full accessibility review of the new tab component. The component can be viewed in Storybook here: [insert Chromatic link here]

Tasks

• Full accessibility review of the component is completed
• Add descriptions of any issues found to this ticket
  • If any problems are found, add screen recordings and/or screenshots to comments on this ticket that show the problem.
• If necessary, discuss any accessibility issues found with the engineer who developed the component
• Re-review any fixes the developer makes to the component

Acceptance Criteria

• Component has been reviewed for accessibility issues
• Any accessibility issues have been addressed or ticket has been written with issues that need to be fixed