Remove deprecation ReflectionMethod::setAccessible #475

Job	Run time
Linter / json-linter	26s
PHP-Linter (8.5) / linter	14s
Linter / yaml-linter	6s
Linter / ecmascript-linter	-1s
Linter / style-linter	-10s
Unit tests, PHP 8.5, windows-latest	54s
Unit tests, PHP 8.5, ubuntu-latest	16s
Quality control	21s
Security checks	19s
Code coverage	10s
Cleanup artifacts	5s
	2m 40s

Provide feedback