chore: reduce amount of class mutable properties (#8281) #1674

Job	Run time
Entrypoint low-PHP compat	12s
PHP 7.4 Fixer with lowest deps	51s
PHP 7.4 tests with lowest deps	2m 58s
PHP 8.0 Fixer	52s
PHP 8.0 tests	2m 55s
PHP 8.1 Fixer with Symfony ^6	57s
PHP 8.1 tests with Symfony ^6	3m 34s
PHP 8.2 Fixer	46s
PHP 8.2 tests	3m 52s
PHP 8.3 Fixer	51s
PHP 8.3 tests	3m 23s
PHP 8.3 Fixer with migration rules	1m 19s
PHP 8.3 tests with migration rules	3m 58s
PHP 8.3 Fixer with Symfony ^7	54s
PHP 8.3 tests with Symfony ^7	3m 42s
PHP 8.3 code coverage	4m 58s
PHP 8.3 mutation tests	23s
PHP 8.3 Fixer on Windows	1m 36s
PHP 8.3 tests on Windows	2m 25s
PHP 8.3 Fixer on macOS	1m 38s
PHP 8.3 tests on macOS	1m 53s
PHP 8.4 Fixer	43s
PHP 8.4 tests	3m 47s
Deployment checks	32s
	48m 59s

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