fix(a11y): icon button-black focus outline does not meet 3:1 contrast minimum in dark theme

[andyfeds]

PR Checklist

Please check if your PR fulfills the following requirements:

• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)
• [ ] If applicable, have a visual design approval

PR Type

What kind of change does this PR introduce?

• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] clarity.design website / infrastructure changes
• [ ] Other... Please describe:

What is the current behavior?

Issue Number: CDE-1604

What is the new behavior?

The focus outline colour defaults to the webkit-focus-ring-color in dark theme on windows chrome.

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

Other information

[github-actions[bot]]

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[github-actions[bot]]

:tada: This PR is included in version 6.10.0 :tada:

The release is available on:

• GitHub release
• v6.10.0

Your semantic-release bot :package::rocket:

[github-actions[bot]]

Hi there 👋, this is an automated message. To help Clarity keep track of discussions, we automatically lock closed PRs after 14 days. Please look for another open issue or open a new issue with updated details and reference this one as necessary.