Update dependency phpstan/phpstan to v2 - autoclosed #2501

Job	Run time
Check Backward Compatibility (locked, 8.3, ubuntu-latest)	25s
Run benchmarks (locked, 8.3, ubuntu-latest)	17s
Check Coding Standards (locked, 8.2, ubuntu-latest)	11s
Run benchmarks (locked, 8.3, windows-latest)	43s
Test Compatibility (locked, 8.3, ubuntu-latest)	12s
Check Demo Scripts (locked, 8.3, ubuntu-latest)	17s
Test Compatibility (locked, 8.3, windows-latest)	46s
Mutation tests (locked, 8.3, ubuntu-latest)	14s
PHPUnit tests (lowest, 8.2, ubuntu-latest)	1s
PHPUnit tests (lowest, 8.2, windows-latest)	46s
PHPUnit tests (lowest, 8.3, ubuntu-latest)	1s
Static Analysis by PHPStan (locked, 8.2, ubuntu-latest)	11s
PHPUnit tests (lowest, 8.3, windows-latest)	34s
Static Analysis by PHPStan (locked, 8.3, ubuntu-latest)	13s
PHPUnit tests (highest, 8.2, ubuntu-latest)	1s
PHPUnit tests (highest, 8.2, windows-latest)	46s
PHPUnit tests (highest, 8.3, ubuntu-latest)	1s
Static Analysis by Psalm (locked, 8.3, ubuntu-latest)	16s
PHPUnit tests (highest, 8.3, windows-latest)	49s
PHPUnit tests (locked, 8.2, ubuntu-latest)	1s
PHPUnit tests (locked, 8.2, windows-latest)	47s
PHPUnit tests (locked, 8.3, ubuntu-latest)	1s
PHPUnit tests (locked, 8.3, windows-latest)	45s
	8m 18s

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