System Check: safelist zip of matomo.js.gz during integrity/delete check

[atom-box]

Users who deliver matomo.js store the zip in matomo/ directory.

System check recommends to delete the file.

Here is a prior whitelist story, in case that makes this quicker to do: #11454

[sgiehl]

It is already possible to manually ignore files using DI config. To add a file in your local config.php add a similar code block like it's included in global.php already:

matomo/config/global.php

Lines 126 to 134 in bd86fa8

	'fileintegrity.ignore' => Piwik\DI::add([
	'*.htaccess',
	'*web.config',
	'bootstrap.php',
	'favicon.ico',
	'robots.txt',
	'.bowerrc',
	'.lfsconfig',
	'.phpstorm.meta.php',