@W-12627107@ Make security code tooltip receive keyboard focus.

[wjhsf]

When checking out, the Security Code info tooltip now receives keyboard focus.

(git2GUS compliant redo of #1548)

Description

Types of Changes

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Documentation update
• Breaking change (could cause existing functionality to not work as expected)
• Other changes (non-breaking changes that does not fit any of the above)

Breaking changes include:

• Removing a public function or component or prop
• Adding a required argument to a function
• Changing the data type of a function parameter or return value
• Adding a new peer dependency to package.json

Changes

How to Test-Drive This PR

• Start dev server
• Add item to cart, begin checkout
• At payment step, focus on Expiration Date.
• Hit tab.
  • Focus should move to the info icon and the tooltip should appear.
  • VoiceOver should read the tooltip content (will require some interaction)
• Hit tab. Focus should move to the Security Code input, and VoiceOver should announce "Security Code input".

Checklists

General

• Changes are covered by test cases
• CHANGELOG.md updated with a short description of changes (not required for documentation updates)

Accessibility Compliance

You must check off all items in one of the follow two lists:

• There are no changes to UI

or...

• Changes were tested with a Screen Reader (iOS VoiceOver or Android Talkback) and had no issues
• Changes comply with WCAG 2.0 guidelines levels A and AA
• Changes to common UI patterns and interactions comply with WAI-ARIA best practices

Localization

• Changes include a UI text update in the Retail React App (which requires translation)

[alexvuong]

Missing translation for en-GB