Bump rmccue/requests from 2.0.12 to 2.0.13

Bumps [rmccue/requests](https://github.com/WordPress/Requests) from 2.0.12 to 2.0.13.
- [Release notes](https://github.com/WordPress/Requests/releases)
- [Changelog](https://github.com/WordPress/Requests/blob/develop/CHANGELOG.md)
- [Commits](WordPress/Requests@v2.0.12...v2.0.13)

---
updated-dependencies:
- dependency-name: rmccue/requests
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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