chore(deps): update dependency brunch to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
brunch (source)	2.10.17 -> 4.0.2

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Release Notes

brunch/brunch (brunch)

v4.0.2

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What's Changed

• Improve issue template by @​boehs in #​1887
• Lock anymatch to 3.1.2

Full Changelog: brunch/brunch@4.0.1...4.0.2

v4.0.1

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v4.0.0

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• Breaking: Require node.js 12.13 or higher
• Breaking: Remove node-browser-modules:
  • This part of Brunch shimmed well-known node.js built-in modules
    and provided them for browsers - such as buffer and util
  • It increased Brunch package size massively and the modules themselves
    were outdated
  • Now, if you need to use "node.js" module, install proper shim from NPM
  • NPM packages can be used as before, this change only affects built-ins

v3.0.0

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• Make config optional; and you could have it in package.json
• Build speed-ups up to 1.5x for some cases.
• Built-in webserver is now using serve-handler from micro(1) webserver.
  Custom webservers are unaffected.
• Breaking: Require node.js 10.16 or higher
• Breaking: Remove Bower and AMD support
• Breaking: Remove support for CoffeeScript brunch configs,
  emit a command that would compile coffee file to js
• Breaking: New node.js API - use brunch.build() from node without hassle
• Decrease package size by a huge amount:
  • Update Chokidar to 3.0
  • Remove or integrate many dependencies
  • Update dependencies to latest versions

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