Update @types/jest to the latest version 🚀

[greenkeeper]

Version 18.0.0 of @types/jest just got published.

Dependency	@types/jest
Current Version	16.0.5
Type	devDependency

The version 18.0.0 is not covered by your current version range.

Without accepting this pull request your project will work just like it did before. There might be a bunch of new features, fixes and perf improvements that the maintainers worked on for you though.

I recommend you look into these changes and try to get onto the latest version of @types/jest.
Given that you have a decent test suite, a passing build is a strong indicator that you can take advantage of these changes by merging the proposed change into your project. Otherwise this branch is a great starting point for you to work on the update.

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Not sure how things should work exactly?

There is a collection of frequently asked questions and of course you may always ask my humans.

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Your Greenkeeper Bot 🌴

[orta]

Awesome

[DangerCI]

	Warnings
⚠️	Please add a changelog entry for your changes.
⚠️	Changes were made to package.json, but not to yarn.lock - Perhaps you need to run `yarn install`?

Generated by 🚫 dangerJS

[orta]

interesting, wonder if I should add an exception for greenskeeper to those rules ^

[macklinu]

It doesn't look like Greenkeeper supports running yarn on PRs it opens - greenkeeperio/greenkeeper#314.

I think this Danger warning to run yarn install is appropriate, and we'll need to manually do that on PRs if we want Greenkeeper's updated package.json PR to also be reflected in the yarn.lock file.

[orta]

👍 cool by me then