Bump PHPStan to 2.1.38 #32187

Job	Run time
Check before/after test fixture on no-changes	21s
Finalize classes	21s
Avoid duplicate short class names	16s
PHPStan	1m 0s
Run with Space in Directory	22s
Active Classes	25s
Composer Validate	15s
PHP Linter	28s
Check fixture classes are different to nodes	21s
Commented Code	16s
Detect composer dependency issues	16s
Compatible PHPStan versions	17s
Check no "*.php" files in rules Fixture directory	18s
Help and Version	22s
Preload php-parser Order	17s
	5m 35s

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