Fix #14565 xml suppression: add macro attribute for specifying macro name #20460

Job	Run time
build_make (ubuntu:25.10)	4m 6s
build_make (alpine:3.23)	6m 11s
build_cmake (alpine:3.23, false, false)	4m 35s
build_cmake (ubuntu:25.10, true, true)	4m 49s
build_cmake (ubuntu:24.04, true, true)	4m 7s
build_make (ubuntu:24.04)	3m 27s
	27m 15s

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