Backend/Utxo: support native segwit #2869

Job	Run time
linux-vanilla--newmono-only	12m 13s
linux-github--dotnet-and-mono	3m 21s
linux-github--dotnet-and-newmono	6m 4s
linux-vanilla--stockdotnet6-and-newmono	5m 36s
linux-vanilla--stockdotnet6-and-stockmono	7m 16s
linux-vanilla--stockdotnet6-only	4m 46s
macOS--dotnet6-and-mono	22m 44s
linux-vanilla--stockmono-only	5m 0s
macOS--dotnet6-only	6m 14s
macOS--mono-only	13m 40s
windows--dotnet6-and-legacyFramework	7m 39s
windows--dotnet6-only	6m 36s
windows--legacyFramework-only	13m 51s
conventions	1m 15s
snap_pkg_beta	0s
snap_pkg	0s
	1h 56m 15s

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