Engine parameter targets node 10+

[aalykiot]

@lholmquist this PR changes the node's engine version from 8+ to 10+. Do I also have to do the release process for the semver-major update we talked about and add it in this PR or you'll do it after the PR merge ??

[coveralls]

Pull Request Test Coverage Report for Build 1080

• 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 96.674%

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Totals
Change from base Build 674:	0.0%
Covered Lines:	641
Relevant Lines:	666

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💛 - Coveralls

[lholmquist]

Do I also have to do the release process for the semver-major update we talked about and add it in this PR or you'll do it after the PR merge ??

we will do that once the PR is merged and we do a release