Use React 19

[Andarist]

No description provided.

[changeset-bot]

🦋 Changeset detected

Latest commit: 2d7a7ee

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

This PR includes changesets to release 5 packages

Name	Type
@emotion/styled	Major
@emotion/react	Major
@emotion/primitives-core	Major
@emotion/native	Major
@emotion/primitives	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

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.12%. Comparing base (f838558) to head (9717107).
Report is 446 commits behind head on next.

Additional details and impacted files

Files with missing lines	Coverage Δ
packages/react/src/global.tsx	100.00% <100.00%> (ø)
packages/server/test/util.js	90.32% <100.00%> (-4.13%)	⬇️
packages/styled/src/index.ts	100.00% <ø> (ø)
scripts/test-utils/src/index.js	92.85% <100.00%> (+8.24%)	⬆️

... and 114 files with indirect coverage changes