Attempted fix for PHPstan-issues #318

Job	Run time
PHP-Linter (8.5) / linter	11s
PHP-Linter (8.3) / linter	10s
PHP-Linter (8.4) / linter	13s
Linter / yaml-linter	4s
Linter / json-linter	32s
Linter / style-linter	-1s
Linter / ecmascript-linter	-1s
Unit tests, PHP 8.5, JWT ^4.0.2, windows-latest	1m 2s
Unit tests, PHP 8.2, JWT ^4.0.2, windows-latest	1m 51s
Unit tests, PHP 8.4, JWT ^4.0.2, windows-latest	1m 3s
Unit tests, PHP 8.2, JWT ^4.0.2, ubuntu-latest	29s
Unit tests, PHP 8.4, JWT ^4.0.2, ubuntu-latest	25s
Unit tests, PHP 8.3, JWT ^3.4, ubuntu-latest	20s
Unit tests, PHP 8.4, JWT ^3.4, ubuntu-latest	20s
Unit tests, PHP 8.2, JWT ^3.4, ubuntu-latest	28s
Unit tests, PHP 8.5, JWT ^4.0.2, ubuntu-latest	30s
Unit tests, PHP 8.5, JWT ^3.4, ubuntu-latest	32s
Unit tests, PHP 8.3, JWT ^4.0.2, ubuntu-latest	22s
Quality control	39s
Security checks	15s
Code coverage	9s
Cleanup artifacts	5s
	9m 38s

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