Update lint-staged to the latest version 🚀

[greenkeeper]

Version 4.0.0 of lint-staged just got published.

Dependency	lint-staged
Current Version	3.6.1
Type	devDependency

The version 4.0.0 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 lint-staged.
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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Release Notes

v4.0.0

<a name"4.0.0">

4.0.0 (2017-06-18)

Bug Fixes

• Skip '--' argument for non-npm commands (#196) (ad265664, closes #195)

Breaking Changes

This might affect existing setups which depend on the -- argument.
(ad265664)

Commits

The new version differs by 5 commits.

• ad26566 fix: Skip '--' argument for non-npm commands (#196)
• 48fbe20 docs: Fix indentation (#197)
• 2bcbc5f docs: Add link to referenced issue in README (#193)
• 1345a0a chore: Set Jest env to node to avoid jsdom overhead (#189)
• 3f9517e chore(eslint): Set ESLint environment to use Jest instead of Mocha (#190)

See the full diff

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 🌴

[DangerCI]

	Warnings
⚠️	Please add a changelog entry for your changes.
⚠️	Please add your GitHub name to the changelog entry, so we can attribute you correctly.
⚠️	Changes were made to package.json, but not to yarn.lock. Perhaps you need to run yarn install?

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