fix(deps): update proxyquire requirement from 2.1.1 to 2.1.3
fix(deps): update proxyquire requirement from 2.1.1 to 2.1.3

Updates the requirements on [proxyquire](https://github.com/thlorenz/proxyquire) to permit the latest version.
- [Release notes](https://github.com/thlorenz/proxyquire/releases)
- [Commits](https://github.com/thlorenz/proxyquire/compare/v2.1.1...v2.1.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
apiaryio/dredd,apiaryio/dredd,apiaryio/dredd