chore(deps): update dependency mocha-helpers to v6 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mocha-helpers	^5.1.1 -> ^6.0.0

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Release Notes

kellyselden/mocha-helpers

### [`v6.0.0`](https://togithub.com/kellyselden/mocha-helpers/compare/v5.1.1...v6.0.0) [Compare Source](https://togithub.com/kellyselden/mocha-helpers/compare/v5.1.1...v6.0.0)

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Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box.

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