chore(deps): update dependency supertest to v6.2.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
supertest	6.1.4 -> 6.2.2

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Release Notes

visionmedia/supertest

v6.2.2

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• chore: bump deps 8f4dd1e

v6.2.1

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• chore: bump deps 9a87305

v6.2.0

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• chore: bump deps e741cab
• Merge pull request #​653 from torhovland/patch-1 88dc262
• Merge pull request #​713 from jtomaszewski/patch-1 70a3d00
• Merge pull request #​749 from jimmywarting/misc a70c1a0
• var to const aae4d8e
• add missing comma f17be2a
• use explicit path cdb0ad9
• only use require in the top of the file 19dcd1e
• don't mixup superagent.Response \w fetch.Response 1dc25a1
• user super and arrow fn d2d9616
• move exports to the bottom 17cf193
• more const a0a5d57
• Merge pull request #​748 from jimmywarting/var 1d70492
• destruct assert dc60d5d
• refactor: convert var to const / let 03f0084
• Merge pull request #​747 from jimmywarting/classify afecc3f
• refactor: Convert test to a class d94ffbc
• Update README.md ad699ed
• docs: Add async/await example to README fc269b6
• Add missing require. 3537e4e

v6.1.6

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• Merge pull request #​735 from benjosantony/master 28116f9
• Add on to the mitigation in https://github.com/visionmedia/supertest/pull/728/commits to support empty array response body ed0f68d

v6.1.5

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• Merge pull request #​728 from swantzter/fix/array-of-statuses-body 3c46dae
• Mitigate array-of-statuses' impact on JSON bodies 5a6999a

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