feat(RelativeTime): remove support for sx prop

[joshblack]

Closes #6773

Changelog

New

Changed

Removed

• Remove support for sx from RelativeTime

Rollout strategy

• Major release; if selected, include a written rollout or migration plan

This component has no sx usage in github-ui and can be safely migrated

[changeset-bot]

🦋 Changeset detected

Latest commit: 104291a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@primer/react	Major
@primer/styled-react	Major

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]

👋 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!

[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	88.53 KB (-0.13% 🔽)
packages/react/dist/browser.umd.js	88.67 KB (-0.06% 🔽)

[Copilot]

Pull Request Overview

This PR removes support for the sx prop from the RelativeTime component as part of a migration strategy to eliminate styled-components dependencies. The changes include removing sx prop type definitions, updating component creation utilities, and adjusting Storybook configurations.

• Remove sx prop support from RelativeTime component
• Refactor component creation utilities to eliminate styled-components dependency
• Update Storybook controls to exclude sx-related properties

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/styled-react/src/index.tsx	Adds RelativeTime wrapper with sx support to maintain backward compatibility in styled-react package
packages/react/src/utils/create-component.ts	Removes styled-components and sx dependencies from component creation utility
packages/react/src/RelativeTime/RelativeTime.stories.tsx	Updates Storybook controls to exclude sx prop
packages/react/src/RelativeTime/RelativeTime.features.stories.tsx	Updates Storybook controls to exclude sx prop
packages/react/src/RelativeTime/RelativeTime.docs.json	Removes sx prop from component documentation
.changeset/short-cloths-deny.md	Documents the breaking change for version release

[primer-integration]

👋 Hi from github/github-ui! Your integration PR is ready: https://github.com/github/github-ui/pull/2639

[primer-integration]

🟢 ci completed with status success.