Bump react/dns from 0.4.1 to 0.4.4

Bumps [react/dns](https://github.com/reactphp/dns) from 0.4.1 to 0.4.4.
- [Release notes](https://github.com/reactphp/dns/releases)
- [Changelog](https://github.com/reactphp/dns/blob/master/CHANGELOG.md)
- [Commits](reactphp/dns@v0.4.1...v0.4.4)

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Author: dependabot-support