Add "--only" option to process only a single rule #28238

Job	Run time
End to end test - e2e/applied-rule-change-docblock	14s
End to end test - e2e/applied-rule-return-array-nodes	20s
End to end test - e2e/no-parallel-reflection-resolver	14s
End to end test - e2e/parallel-custom-config	14s
End to end test - e2e/parallel-reflection-resolver	13s
End to end test - e2e/applied-rule-removed-node	19s
End to end test - e2e/parallel with space	20s
End to end test - e2e/different-path-over-skip-config	20s
End to end test - e2e/invalid-paths	12s
End to end test - e2e/applied-polyfill-php80	19s
End to end test - e2e/print-new-node	17s
End to end test - e2e/only-option	16s
End to end test - e2e/only-option-quote-double-equalnone	13s
End to end test - e2e/only-option-quote-single	12s
End to end test - e2e/only-option-quote-single-bsdouble	14s
End to end test - e2e/only-option-quote-single-equalnone	15s
	4m 12s

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