Bump wyrihaximus/react-child-process-messenger from 4.0.1 to 4.0.3

Bumps [wyrihaximus/react-child-process-messenger](https://github.com/WyriHaximus/reactphp-child-process-messenger) from 4.0.1 to 4.0.3.
- [Release notes](https://github.com/WyriHaximus/reactphp-child-process-messenger/releases)
- [Commits](WyriHaximus/reactphp-child-process-messenger@4.0.1...4.0.3)

---
updated-dependencies:
- dependency-name: wyrihaximus/react-child-process-messenger
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]