Apply coding standard #30

Job	Run time
PHPUnit (8.1, highest)	14s
Psalm	26s
PHPUnit (8.4, highest)	16s
PHPUnit (8.1, lowest)	16s
PHPUnit (8.2, highest)	13s
Coding Standard / Coding Standard (PHP 8.1)	13s
PHPUnit (8.3, highest)	18s
	1m 56s

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