fix: ActionList.LinkItem duplicate classes

[francinelucca]

Part of https://github.com/github/primer/issues/4570

Fixes an issue where className was being duplicated in LinkItem on both the wrapper li (correct) and the inner a tag (incorrect).

Changelog

Removed

• Removes className from menuItemProps in ActionList.Item

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

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Storybook)
• Changes are SSR compatible
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github (Learn more about how to run integration tests)

[changeset-bot]

⚠️ No Changeset found

Latest commit: b919972

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[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	103.89 KB (-0.04% 🔽)
packages/react/dist/browser.umd.js	104.21 KB (-0.02% 🔽)

[github-actions]

👋 Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the integration workflow. Thanks!

[primer-integration]

👋 Hi from github/github! Your integration PR is ready: https://github.com/github/github/pull/357139

[primer-integration]

🟢 golden-jobs completed with status success.

[francinelucca]

closing in favor of #5517