Update dependency @types/node to v12.20.55

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@types/node (source)	12.12.22 → 12.20.55

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

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[coveralls]

Pull Request Test Coverage Report for Build 522

• 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 100.0%

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Totals
Change from base Build 426:	0.0%
Covered Lines:	211
Relevant Lines:	211

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💛 - Coveralls