fix: checkbox to useIsomorphicLayoutEffect

[Swiftwork]

Describe your changes here.

Closes#2111

Merge checklist

• Added/updated tests
• Added/updated documentation
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge

[changeset-bot]

🦋 Changeset detected

Latest commit: 1d57e8e

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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[colebemis]

Thank you, @Swiftwork 💖

[mperrotti]

@Swiftwork - Could you open a PR as a branch directly off of this repo? Org tokens aren't propagating or being respected, so deployments aren't working for PRs from a forked repo.

[mperrotti]

@Swiftwork - Since you're an external contributory, I cherry-picked your commits and opened a PR directly off this repo #2154

Thank you!

[Swiftwork]

@Swiftwork thank you for doing the cherry-picking. I was a little confused by the request to open a branch on this PR without contributor access. It would be good to in the future allow for PR as there are a few more issues that have been detected unless you prefer me to open issue tickets instead?