Bump react/stream from 1.2.0 to 1.3.0

Bumps [react/stream](https://github.com/reactphp/stream) from 1.2.0 to 1.3.0.
- [Release notes](https://github.com/reactphp/stream/releases)
- [Changelog](https://github.com/reactphp/stream/blob/1.x/CHANGELOG.md)
- [Commits](reactphp/stream@v1.2.0...v1.3.0)

---
updated-dependencies:
- dependency-name: react/stream
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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