feat: add React Compiler support for checkbox controls

[joshblack]

Closes N/A

Changelog

New

N/A

Changed

• Enabled React Compiler support for Checkbox, CheckboxGroup, and RadioGroup shared controls.
• Added a patch changeset for the rendering performance improvement.

Removed

N/A

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

• npx eslint --no-cache packages/react/src/Checkbox/**/*.{ts,tsx} packages/react/src/internal/components/CheckboxOrRadioGroup/**/*.{ts,tsx}
• npm test -- --run packages/react/src/Checkbox/Checkbox.test.tsx packages/react/src/CheckboxGroup/CheckboxGroup.test.tsx packages/react/src/RadioGroup/RadioGroup.test.tsx packages/react/src/__tests__/CheckboxOrRadioGroup.test.tsx
• npm run build
• npm test -- --run && npm run type-check && npm run lint && npm run lint:css && npm run format:diff
• Storybook started and responded locally at http://localhost:6006.

Merge checklist

• Added/updated tests (not needed; existing coverage validated)
• Added/updated documentation (not needed)
• Added/updated previews (not needed)
• 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-ui (Learn more about how to run integration tests)

[changeset-bot]

🦋 Changeset detected

Latest commit: 43a822b

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

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[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. If this doesn't work, you can also use the original workflow here. Check the integration testing docs for step-by-step instructions. Or, apply the integration-tests: skipped manually label to skip these checks.

To publish a canary release for integration testing, apply the Canary Release label to this PR.

[Copilot]

Pull request overview

Enables React Compiler processing for Checkbox, CheckboxGroup, and RadioGroup by removing their file globs from the unsupportedPatterns list, and adds a patch changeset to communicate the performance improvement in the release notes.

Changes:

• Removed Checkbox and internal CheckboxOrRadioGroup paths from the React Compiler “unsupported” exclusion list.
• Added a patch changeset for the resulting rendering performance improvement.

Show a summary per file

File	Description
packages/react/script/react-compiler.mjs	Removes Checkbox-related paths from the compiler exclusion list so they’re included in React Compiler runs.
.changeset/react-compiler-checkbox-controls.md	Adds a patch changeset describing the performance improvement for the affected controls.

Copilot's findings

• Files reviewed: 2/2 changed files
• Comments generated: 1