Update @types/node to the latest version 🚀

[greenkeeper[bot]]

The devDependency @types/node was updated from 11.13.9 to 12.0.0.

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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Your Greenkeeper bot :palm_tree:

[greenkeeper[bot]]

• The devDependency @types/node was updated from 11.13.10 to 12.0.1.

Update to this version instead 🚀

[greenkeeper[bot]]

• The devDependency @types/node was updated from 11.13.10 to 12.0.2.

Update to this version instead 🚀

[greenkeeper[bot]]

• The devDependency @types/node was updated from 11.13.11 to 12.0.3.

Update to this version instead 🚀