Taproot support #1783

Job	Run time
linter_gui	1m 35s
linter	39s
unit_tests (1.63, ubuntu-latest)	4m 20s
unit_tests (1.63, macOS-latest)	6m 12s
unit_tests (1.63, windows-latest)	5m 43s
unit_tests (nightly, ubuntu-latest)	59s
unit_tests (nightly, macOS-latest)	1m 42s
unit_tests (nightly, windows-latest)	1m 39s
unit_tests_gui (1.65.0, ubuntu-latest)	6m 55s
unit_tests_gui (1.65.0, macOS-latest)	8m 9s
unit_tests_gui (1.65.0, windows-latest)	7m 55s
unit_tests_gui (nightly, ubuntu-latest)	2m 38s
unit_tests_gui (nightly, macOS-latest)	2m 52s
unit_tests_gui (nightly, windows-latest)	4m 27s
	55m 45s

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