[phpstan] Fix few static errors #28463

Job	Run time
End to end test - e2e/applied-rule-change-docblock	22s
End to end test - e2e/applied-rule-return-array-nodes	18s
End to end test - e2e/no-parallel-reflection-resolver	14s
End to end test - e2e/parallel-custom-config	23s
End to end test - e2e/parallel-reflection-resolver	24s
End to end test - e2e/applied-rule-removed-node	14s
End to end test - e2e/parallel with space	19s
End to end test - e2e/different-path-over-skip-config	15s
End to end test - e2e/invalid-paths	14s
End to end test - e2e/applied-polyfill-php80	18s
End to end test - e2e/print-new-node	19s
End to end test - e2e/only-option	14s
End to end test - e2e/only-option-quote-double-equalnone	14s
End to end test - e2e/only-option-quote-single	15s
End to end test - e2e/only-option-quote-single-bsdouble	19s
End to end test - e2e/only-option-quote-single-equalnone	20s
	4m 42s

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