Update dependency grunt-contrib-jshint to v3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
grunt-contrib-jshint	2.1.0 -> 3.1.1

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Release Notes

gruntjs/grunt-contrib-jshint

v3.1.1

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• Update to 3.1.1 ace956f

v3.1.0

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• update jshint to ~2.13.0 b7edf02
• Merge pull request #​303 from gruntjs/dependabot/npm_and_yarn/path-parse-1.0.7 270d8dd
• Bump path-parse from 1.0.6 to 1.0.7 77dca66
• Merge pull request #​301 from gruntjs/dependabot/npm_and_yarn/hosted-git-info-2.8.9 1028d82
• Bump hosted-git-info from 2.8.8 to 2.8.9 eb0314f
• Merge pull request #​300 from gruntjs/dependabot/npm_and_yarn/lodash-4.17.21 337623c
• Bump lodash from 4.17.20 to 4.17.21 51e07d4
• Merge pull request #​299 from gruntjs/dependabot/npm_and_yarn/y18n-4.0.1 9c08ff1
• Bump y18n from 4.0.0 to 4.0.1 7834701
• Merge pull request #​298 from gruntjs/dependabot/npm_and_yarn/ini-1.3.8 d4359aa
• Bump ini from 1.3.5 to 1.3.8 52f5e31
• Add changelog 8f597c2
• Merge pull request #​275 from raddevon/patch-1 fc210e7
• Merge pull request #​297 from gruntjs/peer-dep 03f4302
• Remove Grunt peerDependency 01d13d2
• Merge pull request #​296 from gruntjs/chalk-upt c78f6ee
• Update chalk 656f31b
• Merge pull request #​295 from gruntjs/uptdate-deps-oct 16ee83d
• Update dependencies, switch to github actions df2b06d
• Merge pull request #​291 from gruntjs/dependabot/npm_and_yarn/lodash-4.17.15 9bb54cd
• Bump lodash from 4.17.10 to 4.17.15 d2e4063
• Ensures errors in stdoutEqual callback are logged 7a6fec4

v3.0.0

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