Update dependency phpstan/phpstan to v2 - autoclosed #2518

Job	Run time
Static Analysis by PHPStan (locked, 8.2, ubuntu-latest)	12s
Mutation tests (locked, 8.3, ubuntu-latest)	24s
Static Analysis by PHPStan (locked, 8.3, ubuntu-latest)	15s
PHPUnit tests (lowest, 8.2, ubuntu-latest)	6s
PHPUnit tests (lowest, 8.2, windows-latest)	2s
PHPUnit tests (lowest, 8.3, ubuntu-latest)	1s
Check Backward Compatibility (locked, 8.3, ubuntu-latest)	10s
PHPUnit tests (lowest, 8.3, windows-latest)	1s
Run benchmarks (locked, 8.3, ubuntu-latest)	12s
PHPUnit tests (highest, 8.2, ubuntu-latest)	22s
Run benchmarks (locked, 8.3, windows-latest)	11s
PHPUnit tests (highest, 8.2, windows-latest)	20s
Static Analysis by Psalm (locked, 8.3, ubuntu-latest)	13s
PHPUnit tests (highest, 8.3, ubuntu-latest)	24s
Check Coding Standards (locked, 8.2, ubuntu-latest)	10s
PHPUnit tests (highest, 8.3, windows-latest)	8s
PHPUnit tests (locked, 8.2, ubuntu-latest)	12s
Test Compatibility (locked, 8.3, ubuntu-latest)	18s
Test Compatibility (locked, 8.3, windows-latest)	20s
PHPUnit tests (locked, 8.2, windows-latest)	6s
Check Demo Scripts (locked, 8.3, ubuntu-latest)	12s
PHPUnit tests (locked, 8.3, ubuntu-latest)	10s
PHPUnit tests (locked, 8.3, windows-latest)	8s
	4m 37s

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