GTK build with dotnet6+xbuild #2587

Job	Run time
macOS--dotnet6-and-mono	17m 3s
linux22-vanilla--stockmono-only	6m 3s
linux22-github--dotnet-and-mono	4m 12s
linux22-github--dotnet-and-newmono	5m 38s
macOS--dotnet6-only	6m 5s
macOS--mono-only	21m 29s
windows--dotnet6-and-legacyFramework	8m 5s
windows--dotnet6-only	7m 34s
windows--legacyFramework-only	13m 46s
linux20-github--dotnet-and-mono	5m 8s
linux20-github--dotnet-and-newmono	4m 26s
linux20-vanilla--newmono-only	4m 58s
linux20-vanilla--stockmono-only	8m 22s
linux22-vanilla--newmono-only	5m 13s
linux22-vanilla--stockdotnet6-and-newmono	6m 27s
linux22-vanilla--stockdotnet6-and-stockmono	1m 47s
linux22-vanilla--stockdotnet6-only	7m 6s
conventions	0s
snap_pkg	0s
	2h 13m 22s

Provide feedback