Fix path to autoloader #312

Job	Run time
PHP-Linter (8.3) / linter	12s
Linter / yaml-linter	6s
PHP-Linter (8.5) / linter	14s
PHP-Linter (8.4) / linter	14s
Linter / json-linter	25s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP 8.5, ubuntu-latest	30s
Unit tests, PHP 8.4, ubuntu-latest	18s
Unit tests, PHP 8.4, windows-latest	1m 3s
Unit tests, PHP 8.3, windows-latest	1m 21s
Unit tests, PHP 8.5, windows-latest	56s
Unit tests, PHP 8.3, ubuntu-latest	21s
Code coverage	10s
Quality control	32s
Security checks	22s
Cleanup artifacts	5s
	6m 49s

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