Add automatic --silent flag to mysqlcheck commands when --quiet is set #355

Job	Run time
code-quality / PHPCS	21s
code-quality / Lint GitHub Actions workflows	7s
code-quality / Spell check	5s
code-quality / PHPStan	20s
code-quality / Lint Gherkin Feature files	13s
code-quality / Lint PHP files	15s
	1m 21s

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