tests

Add support of phpstan ^2.0.3 features #532

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	24s
Tests (8.1, ubuntu-latest, prefer-stable)	22s
Tests (8.1, macos-latest, prefer-lowest)	1m 14s
Tests (8.1, macos-latest, prefer-stable)	1m 17s
Tests (8.1, windows-latest, prefer-lowest)	36s
Tests (8.1, windows-latest, prefer-stable)	43s
Tests (8.2, ubuntu-latest, prefer-lowest)	20s
Tests (8.2, ubuntu-latest, prefer-stable)	24s
Tests (8.2, macos-latest, prefer-lowest)	1m 11s
Tests (8.2, macos-latest, prefer-stable)	1m 17s
Tests (8.2, windows-latest, prefer-lowest)	41s
Tests (8.2, windows-latest, prefer-stable)	42s
Tests (8.3, ubuntu-latest, prefer-lowest)	14s
Tests (8.3, ubuntu-latest, prefer-stable)	15s
Tests (8.3, macos-latest, prefer-lowest)	1m 34s
Tests (8.3, macos-latest, prefer-stable)	1m 33s
Tests (8.3, windows-latest, prefer-lowest)	48s
Tests (8.3, windows-latest, prefer-stable)	37s
	14m 12s

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