Update @types/node to the latest version 🚀

[greenkeeper[bot]]

The devDependency @types/node was updated from 10.12.15 to 10.12.16.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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Find out more about this release.

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There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).

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Your Greenkeeper bot :palm_tree:

[coveralls]

Pull Request Test Coverage Report for Build 300

• 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 84.483%

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Totals
Change from base Build 298:	0.0%
Covered Lines:	153
Relevant Lines:	166

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💛 - Coveralls

[greenkeeper[bot]]

• The devDependency @types/node was updated from 10.12.15 to 10.12.17.

Update to this version instead 🚀