Fix php 7.4 regression on strtolower to false on ClassLikeNameClassNameImportSkipVoter #31641

Job	Run time
End to end test - e2e/applied-rule-change-docblock	15s
End to end test - e2e/applied-rule-removed-node	20s
End to end test - e2e/applied-auto-import	20s
End to end test - e2e/different-path-over-skip-config	23s
End to end test - e2e/no-parallel-reflection-resolver	14s
End to end test - e2e/invalid-paths	22s
End to end test - e2e/applied-rule-return-array-nodes	19s
End to end test - e2e/applied-polyfill-php80	20s
End to end test - e2e/only-option-quote-single-equalnone	19s
End to end test - e2e/only-option-quote-double-equalnone	19s
End to end test - e2e/parallel-kaizen-applied-rules	24s
End to end test - e2e/parallel-custom-config	22s
End to end test - e2e/only-option-quote-single-bsdouble	17s
End to end test - e2e/only-option-quote-single	20s
End to end test - e2e/print-new-node	23s
End to end test - e2e/parallel-reflection-resolver	15s
End to end test - e2e/only-option	22s
End to end test - e2e/parallel with space	23s
	5m 57s

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