[Snyk] Security upgrade snyk from 1.611.0 to 1.996.0

[jupe]

Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json
• package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Improper Handling of Unicode Encoding SNYK-JS-TAR-15038581	713

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[coveralls]

coverage: 82.609%. remained the same
when pulling 928ed28 on snyk-fix-ec27537e6a79a95a3af01f6adf4219a8
into 0096d88 on master.