Bump react/http-client from 0.5.6 to 0.5.9
Bump react/http-client from 0.5.6 to 0.5.9

Bumps [react/http-client](https://github.com/reactphp/http-client) from 0.5.6 to 0.5.9.
- [Release notes](https://github.com/reactphp/http-client/releases)
- [Changelog](https://github.com/reactphp/http-client/blob/master/CHANGELOG.md)
- [Commits](https://github.com/reactphp/http-client/compare/v0.5.6...v0.5.9)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
WyriHaximus/reactphp-psr-3-loggly