Use composer.json for cache key #524

Job	Run time
Linter / yaml-linter	5s
Linter / json-linter	29s
PHP-Linter (8.3) / linter	12s
PHP-Linter (8.5) / linter	10s
PHP-Linter (8.4) / linter	13s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP 8.5, ubuntu-latest	35s
Unit tests, PHP 8.4, ubuntu-latest	29s
Unit tests, PHP 8.4, windows-latest	1m 7s
Unit tests, PHP 8.5, windows-latest	1m 8s
Unit tests, PHP 8.3, windows-latest	1m 13s
Unit tests, PHP 8.3, ubuntu-latest	29s
Security checks	19s
Quality control	41s
Code coverage	6s
Cleanup artifacts	5s
	7m 21s

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