Bump to Adaptive Cards 2.11.1

[compulim]

Also fixed #4417.

Changelog Entry

Changed

• Bumped Adaptive Cards to adaptivecards@2.11.1, by @compulim in PR #4424

Description

Bump Adaptive Cards to 2.11.1.

Specific Changes

• Bumped to adaptivecards@2.11.1
• Fixed some tests positively impacted by accessibility fixes done in Adaptive Cards library
  • accessibility.adaptiveCard.disabled.inputs.html: Button group container now become tabbable through tabindex="0"
  • accessibility.adaptiveCard.disabled.focus.withShowCard.html: "Show card" button no longer causes other buttons in the same card to be unable to focus
• Improved reliability of some tests related to live region narrations
  • We use useEffect to render something which we would expect in tests
  • Rather than calling expect immediately, we should use waitFor those expectations

• I have added tests and executed them locally
• I have updated CHANGELOG.md
• I have updated documentation

Review Checklist

This section is for contributors to review your work.

• Accessibility reviewed (tab order, content readability, alt text, color contrast)
• Browser and platform compatibilities reviewed
• CSS styles reviewed (minimal rules, no z-index)
• Documents reviewed (docs, samples, live demo)
• Internationalization reviewed (strings, unit formatting)
• package.json and package-lock.json reviewed
• Security reviewed (no data URIs, check for nonce leak)
• Tests reviewed (coverage, legitimacy)