readme: Qt: add info for adding Wayland support #222

Job	Run time
x86_64 appimage	16m 57s
i386 appimage	13m 31s
aarch64 appimage	19m 13s
armhf appimage	17m 43s
x86_64 coverage	12m 31s
Create release and upload artifacts	30s
	1h 20m 25s

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