chore(Link): remove unnecessary data-hover-color attribute

[francinelucca]

Removing as per #5319 (comment)

Also added request for prop removal in next major here https://github.com/github/primer/issues/5430#issuecomment-5039700246

Changelog

Removed

• unneeded data-hover-color attribute in Link

Rollout strategy

• Patch release
• Minor release
• Major release; if selected, include a written rollout or migration plan
• None; if selected, include a brief description as to why

Testing & Reviewing

[changeset-bot]

🦋 Changeset detected

Latest commit: 9201a7a

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

This PR includes changesets to release 1 package

Name	Type
@primer/react	Patch

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[github-actions]

⚠️ Action required

👋 Hi, this pull request contains changes to the source code that github/github-ui depends on. If you are GitHub staff, test these changes with github/github-ui using the integration workflow. Check the integration testing docs for step-by-step instructions. Or, apply the integration-tests: skipped manually label to skip these checks.

[Copilot]

Pull request overview

Removes the data-hover-color attribute from the Link component’s rendered output, reverting a previously introduced DOM attribute that is no longer needed.

Changes:

• Removes data-hover-color={hoverColor} from the rendered Link element.

Show a summary per file

File	Description
packages/react/src/Link/Link.tsx	Stops rendering the data-hover-color attribute on Link.

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 1
• Review effort level: Low

[primer]

🤖 Lint issues have been automatically fixed and committed to this PR.

[primer]

🤖 Lint issues have been automatically fixed and committed to this PR.

[primer-integration]

Integration test results from github/github-ui PR:

  CI Passed
  VRT Passed
  Projects Passed

All checks passed!