[wip] optimizing node traversing #31655

Job	Run time
Run with Space in Directory	27s
Commented Code	16s
Help and Version	19s
Preload php-parser Order	23s
Compatible PHPStan versions	25s
Composer Validate	19s
Finalize classes	23s
Active Classes	23s
PHPStan	1m 35s
Check no "*.php" files in rules Fixture directory	23s
Check fixture classes are different to nodes	16s
Check before/after test fixture on no-changes	20s
PHP Linter	26s
Detect composer dependency issues	19s
	6m 14s

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