Update dependency c8 to v9

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
c8	8.0.1 -> 9.1.0

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Release Notes

bcoe/c8 (c8)

v9.1.0

Compare Source

Features

• support passing reporter options from config (#​459) (88db5db)

Bug Fixes

• refactor: remove stale check for createDynamicModule (5e18365)

v9.0.0

Compare Source

⚠ BREAKING CHANGES

• build: minimum Node.js version is now 14.14.0

Features

• build: minimum Node.js version is now 14.14.0 (2cdc86b)
• deps: update foreground-child to promise API (#​512) (b46b640)
• deps: use Node.js built in rm (2cdc86b)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - 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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This PR has been generated by Mend Renovate. View repository job log here.

[coveralls]

Pull Request Test Coverage Report for Build 7504887670

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 97.416%

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Totals
Change from base Build 7236435467:	0.0%
Covered Lines:	394
Relevant Lines:	399

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💛 - Coveralls