Update dependency grunt-contrib-jshint to v3

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This PR contains the following updates:

Package	Type	Update	Change
grunt-contrib-jshint	devDependencies	major	^1.0.0 -> ^3.0.0

By merging this PR, the issue #16 will be automatically resolved and closed:

Severity	CVSS Score	CVE
High	7.1	CVE-2022-0144

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