Bump phpunit/phpunit from 8.5.50 to 8.5.52 #1310

Job	Run time
code-quality / Spell check	5s
code-quality / Lint PHP files	16s
code-quality / Lint GitHub Actions workflows	6s
code-quality / Lint Gherkin Feature files	12s
code-quality / PHPCS	17s
code-quality / PHPStan	17s
	1m 13s

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