Replace Psalm with PHPstan #275

Job	Run time
Quality control	23s
PHP-Linter (8.1) / linter	10s
Linter / yaml-linter	5s
PHP-Linter (8.2) / linter	18s
PHP-Linter (8.3) / linter	14s
Linter / ecmascript-linter	25s
Linter / json-linter	29s
PHP-Linter (8.4) / linter	9s
Linter / style-linter	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Code coverage	0s
Security checks	0s
Cleanup artifacts	0s
	2m 13s

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