fix(radio): radio with modern syntax is keyboard navigable (#27530)

Issue number: resolves #27268 

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## What is the current behavior?
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When tabbing on a radio group (modern syntax), it focuses on the next
radio option inside the radio group. It replicates the behavior of the
up/down keys.

## What is the new behavior?
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this PR. -->

- When tabbing on a radio group (modern syntax), it focuses on the next
radio option of the next radio group.

A spike ticket has been created to further investigate web accessibility
and browser compatibility.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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and migration path for existing applications below. -->


## Other information

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screenshots of how the component looks before and after the change. -->

N/A