Enhancement: Update `phpstan/phpstan` and `rector/rector` #3158

Job	Run time
Code Coverage (8.1, locked)	17s
Backward-Compatibility Analysis (8.1, locked)	12s
Coding Standards (8.1, locked)	11s
Dependency Analysis (8.1, locked)	16s
Mutation Tests (8.1, locked)	12s
Refactoring (8.1, locked)	15s
Security Analysis (8.1, locked)	10s
Static Code Analysis (8.1, locked)	13s
Tests (8.1, lowest)	17s
Tests (8.1, locked)	17s
Tests (8.1, highest)	17s
Tests (8.2, lowest)	13s
Tests (8.2, locked)	18s
Tests (8.2, highest)	12s
Tests (8.3, lowest)	21s
Tests (8.3, locked)	13s
Tests (8.3, highest)	21s
Tests (8.4, lowest)	23s
Tests (8.4, locked)	19s
Tests (8.4, highest)	12s
	5m 9s

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