Update dependency supertest to v5 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
supertest	devDependencies	major	4.0.2 -> 5.0.0

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Release Notes

visionmedia/supertest

### [`v5.0.0`](https://togithub.com/visionmedia/supertest/releases/v5.0.0) [Compare Source](https://togithub.com/visionmedia/supertest/compare/v4.0.2...v5.0.0) - Merge pull request [#​673](https://togithub.com/visionmedia/supertest/issues/673) from visionmedia/v5.0.0-1 [`59d4e08`](https://togithub.com/visionmedia/supertest/commit/59d4e08) - Merge pull request [#​671](https://togithub.com/visionmedia/supertest/issues/671) from galuszkak/feature/upgrade-packages [`f503048`](https://togithub.com/visionmedia/supertest/commit/f503048)

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