Remove phpunit-cache from release #513

Job	Run time
Linter / json-linter	31s
PHP-Linter (8.3) / linter	13s
Linter / yaml-linter	7s
PHP-Linter (8.4) / linter	14s
PHP-Linter (8.5) / linter	16s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP 8.5, windows-latest	1m 18s
Unit tests, PHP 8.3, windows-latest	1m 12s
Unit tests, PHP 8.4, windows-latest	1m 13s
Unit tests, PHP 8.4, ubuntu-latest	32s
Unit tests, PHP 8.3, ubuntu-latest	28s
Unit tests, PHP 8.5, ubuntu-latest	28s
Quality control	46s
Code coverage	9s
Security checks	34s
Cleanup artifacts	4s
	8m 5s

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