chore: fix PHPStan 1.10.60 issues #9114

Job	Run time
PHP 7.4 Fixer with lowest deps	1m 29s
PHP 7.4 tests with lowest deps	2m 31s
PHP 8.0 Fixer	1m 9s
PHP 8.0 tests	2m 51s
PHP 8.1 Fixer with Symfony ^6	2m 5s
PHP 8.1 tests with Symfony ^6	3m 25s
PHP 8.2 Fixer	1m 17s
PHP 8.2 tests	3m 36s
PHP 8.3 Fixer	1m 42s
PHP 8.3 tests	2m 58s
PHP 8.3 Fixer with migration rules	2m 42s
PHP 8.3 tests with migration rules	3m 45s
PHP 8.3 Fixer with Symfony ^7	1m 18s
PHP 8.3 tests with Symfony ^7	3m 21s
PHP 8.3 code coverage	4m 23s
PHP 8.3 Fixer on Windows	2m 18s
PHP 8.3 tests on Windows	2m 8s
PHP 8.3 Fixer on macOS	4m 15s
PHP 8.3 tests on macOS	1m 48s
PHP 8.4 Fixer	1m 46s
PHP 8.4 tests	3m 41s
Deployment checks (ubuntu-20.04, 8.2)	43s
	55m 11s

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