Update dependency grunt-eslint to v24

This MR contains the following updates:

Package	Type	Update	Change
grunt-eslint	optionalDependencies	major	^22.0.0 -> ^24.0.0

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Release Notes

sindresorhus/grunt-eslint (grunt-eslint)

v24.3.0

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• Update dependencies 495118b

v24.2.0

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• Update dependencies 826ca5f

v24.1.0

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• Support async formatters (#​174) 89eb056

v24.0.1

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• Fix the plugin not finishing in some cases 1322e30

v24.0.0

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Breaking

• Upgrade to ESLint 8 (#​171) dbaf9d5
• Require Node.js 12 (#​171) dbaf9d5
• Due to ESLint changes, some of the options (the ones that are not documented in the readme here) have changed. For example, configFile changed to overrideConfigFile. Consult the ESLint docs for the available options.

v23.0.0

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Breaking

• Upgrade to ESLint 7 (#​167) a8f45f6
• Require Node.js 10 (#​167) a8f45f6

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