MAUI: first steps #4126

Job	Run time
linux-github--dotnet-and-newmono	8m 10s
linux-vanilla--newmono-only	8m 59s
linux-vanilla--stockdotnet8-and-newmono	6m 14s
linux-github--dotnet-and-mono	6m 15s
linux-vanilla--stockdotnet8-and-stockmono	6m 43s
linux-vanilla--stockmono-only	6m 6s
macOS--dotnet8-and-mono	18m 9s
linux-vanilla--stockdotnet8-only	5m 20s
macOS--dotnet8-only	6m 23s
macOS--mono-only	11m 12s
windows--dotnet8-and-legacyFramework	17m 24s
windows--dotnet8-only	17m 56s
windows--legacyFramework-only	6m 19s
conventions	1m 15s
snap_alpha	1m 4s
snap_pkg_beta	6m 37s
snap_pkg	6m 43s
	2h 20m 49s

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