Update dependency metadata-json-lint to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
metadata-json-lint	'~> 3.0' -> '~> 4.0'

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Release Notes

voxpupuli/metadata-json-lint (metadata-json-lint)

v4.0.0

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Full Changelog

Breaking changes:

• Drop Ruby 2.5/2.6 & switch to voxpupuli-rubocop #​137 (bastelfreak)
• Drop Ruby =< 2.4 support #​125 (bastelfreak)

Implemented enhancements:

• CI: Build gems with strictness and verbosity & Add upper version limits to gemspec #​135 (bastelfreak)
• Add Ruby 3.1/3.2 support #​133 (bastelfreak)

Merged pull requests:

• Update voxpupuli-rubocop requirement from ~> 1.2 to ~> 2.0 #​139 (dependabot[bot])
• Make semantic_puppet a hard dependency #​136 (bastelfreak)
• Drop pry development dependency #​134 (bastelfreak)
• GCG: Add faraday-retry dep #​132 (bastelfreak)
• Add dummy CI job we can depend on #​131 (bastelfreak)

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