Make link distinguishable from surrounding text with underline styling

[llastflowers]

What are you trying to accomplish?

• Address a11y remediation issue
• Make link distinguishable from surrounding text (other than color) by adding underline styling

Screenshots

Before and after:

Integration

N/A

List the issues that this change affects.

Relates to https://github.com/github/accessibility-audits/issues/14761

Risk Assessment

• Low risk the change is small, highly observable, and easily rolled back.
• Medium risk changes that are isolated, reduced in scope or could impact few users. The change will not impact library availability.
• High risk changes are those that could impact customers and SLOs, low or no test coverage, low observability, or slow to rollback.

What approach did you choose and why?

Underline styling is the most common/simple way to address this issue, so I went that route.

Anything you want to highlight for special attention from reviewers?

N/A

Accessibility

Fix for a11y audit remediation issue

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Lookbook)
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge

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[changeset-bot]

🦋 Changeset detected

Latest commit: 2296da4

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@primer/view-components	Patch

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Click here if you're a maintainer who wants to add another changeset to this PR

[Copilot]

Pull request overview

This PR addresses an accessibility remediation issue by making links visually distinguishable from surrounding text through underline styling, ensuring compliance with accessibility standards that require links to be identifiable by more than color alone.

Changes:

• Added inline underline styling to a link in the OcticonSymbols preview playground
• Added changeset documentation for the patch release

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
previews/primer/alpha/octicon_symbols_preview/playground.html.erb	Applied text-decoration: underline to MDN docs link
.changeset/proud-rocks-hide.md	Added changeset entry documenting the accessibility fix

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