Update grunt-eslint requirement from ^20.1.0 to ^22.0.0 (#20)
Update grunt-eslint requirement from ^20.1.0 to ^22.0.0 (#20)

Updates the requirements on [grunt-eslint](https://github.com/sindresorhus/grunt-eslint) to permit the latest version.
- [Release notes](https://github.com/sindresorhus/grunt-eslint/releases)
- [Commits](https://github.com/sindresorhus/grunt-eslint/compare/v20.1.0...v22.0.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
tclindner/grunt-npm-package-json-lint