Update nategood/httpful requirement from ^0.2.20 to ^0.3.0
Update nategood/httpful requirement from ^0.2.20 to ^0.3.0

Updates the requirements on [nategood/httpful](https://github.com/nategood/httpful) to permit the latest version.
- [Release notes](https://github.com/nategood/httpful/releases)
- [Commits](https://github.com/nategood/httpful/compare/v0.2.20...v0.3.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
jakezatecky/work-etc-client-php