update comment on fixtures #30769

Job	Run time
Composer Validate	29s
Preload php-parser Order	29s
PHPStan	1m 30s
Commented Code	22s
Run with Space in Directory	19s
Active Classes	30s
Help and Version	20s
Detect composer dependency issues	18s
Check before/after test fixture on no-changes	27s
Finalize classes	23s
Check no "*.php" files in rules Fixture directory	20s
Compatible PHPStan versions	20s
	5m 47s

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