Use composer.json for cache key #184

Job	Run time
Linter / style-linter	16s
Linter / yaml-linter	5s
Linter / json-linter	26s
PHP-Linter (8.5) / linter	12s
PHP-Linter (8.4) / linter	14s
Linter / ecmascript-linter	17s
PHP-Linter (8.3) / linter	11s
Unit tests, PHP 8.4, ubuntu-latest	18s
Unit tests, PHP 8.4, windows-latest	1m 5s
Unit tests, PHP 8.3, ubuntu-latest	18s
Unit tests, PHP 8.5, ubuntu-latest	27s
Unit tests, PHP 8.5, windows-latest	1m 11s
Unit tests, PHP 8.3, windows-latest	1m 1s
Code coverage	8s
Quality control	39s
Security checks	22s
Cleanup artifacts	3s
	7m 13s

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