Template multisig security #2531

Job	Run time
linter	35s
linter_gui	1m 50s
unit_tests (1.63, ubuntu-latest)	2m 47s
unit_tests (1.63, macOS-latest)	2m 19s
unit_tests (1.63, windows-latest)	4m 30s
unit_tests (nightly, ubuntu-latest)	59s
unit_tests (nightly, macOS-latest)	1m 5s
unit_tests (nightly, windows-latest)	2m 2s
unit_tests_gui (1.70.0, ubuntu-latest)	3m 51s
unit_tests_gui (1.70.0, macOS-latest)	2m 28s
unit_tests_gui (1.70.0, windows-latest)	6m 52s
unit_tests_gui (nightly, ubuntu-latest)	3m 7s
unit_tests_gui (nightly, macOS-latest)	2m 21s
unit_tests_gui (nightly, windows-latest)	6m 58s
	41m 44s

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