ButtonGroup: Change reset selector to use .Button class

[jonrohan]

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What are you trying to accomplish?

The Primer::Beta::Button component accepts 3 tags for it's arguments. button, a, summary. The previous styles weren't targeting the button group border radius properly when using one of the other arguments.

Screenshots

Integration

No

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?

I changed this selector to use the .Button class, which seemed straight forward, but should I have listed all the tags instead?

Anything you want to highlight for special attention from reviewers?

No

Accessibility

• No new axe scan violation - This change does not introduce any new axe scan violations.

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: cae1424

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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