feat: add ConvertStaticToSelfRector #29961

Job	Run time
Run with Space in Directory	17s
Finalize classes	25s
Compatible PHPStan versions	28s
Preload php-parser Order	22s
Commented Code	22s
Active Classes	30s
Check before/after test fixture on no-changes	15s
Composer Validate	21s
Detect composer dependency issues	17s
Help and Version	20s
PHPStan	1m 16s
Check no "*.php" files in rules Fixture directory	25s
	5m 18s

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