Bump rmccue/requests from 1.7.0 to 1.8.0 (#5)

Bumps [rmccue/requests](https://github.com/rmccue/Requests) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/rmccue/Requests/releases)
- [Changelog](https://github.com/WordPress/Requests/blob/master/CHANGELOG.md)
- [Commits](WordPress/Requests@v1.7.0...v1.8.0)

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