Update grunt-eslint to the latest version 🚀

[greenkeeper]

The devDependency grunt-eslint was updated from 20.2.0 to 21.1.0.

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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Release Notes for v21.1.0

• Bump the eslint version to 5.16.0 (#161) 7950891

v21.0.0...v21.1.0

Commits

The new version differs by 6 commits.

• a18f9ee 21.1.0
• 7950891 Bumped the eslint version to 5.16.0 (#161)
• 31a8b14 Enable the repo sponsor button
• f30dd97 21.0.0
• 476f21e Update eslint to ^5.0.0 (#158)
• e1d6368 Require Node.js 6 and Grunt 1

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Your Greenkeeper bot 🌴

[coveralls]

Coverage remained the same at 99.031% when pulling 760a4ab on greenkeeper/grunt-eslint-21.1.0 into 50f26fd on master.

[greenkeeper]

• The devDependency grunt-eslint was updated from 20.2.0 to 22.0.0.

Update to this version instead 🚀

Release Notes for v22.0.0

Breaking:

• Upgrade to ESLint 6 7707f60
• Require Node.js 8 7707f60

v21.1.0...v22.0.0

Commits

The new version differs by 2 commits.

• 2922b4c 22.0.0
• 7707f60 Upgrade to ESLint v6 and require Node.js 8

See the full diff