MuSig2 support #1388

Job	Run time
Compilation for X, S+, Stax and Flex (nanox, $NANOX_SDK)	1m 53s
Compilation for X, S+, Stax and Flex (nanosp, $NANOSP_SDK)	1m 46s
Compile the UX-less version of the app on Nano S+ for performance tests	1m 28s
Compilation for X, S+, Stax and Flex (stax, $STAX_SDK)	2m 3s
Compilation for X, S+, Stax and Flex (flex, $FLEX_SDK)	1m 59s
Performance report	3m 51s
Tests on mainnet (nanox)	33s
Tests with the JS library	1m 23s
Tests on mainnet (nanosp)	33s
Tests with the Python library and legacy Bitcoin app	45s
Tests on mainnet (stax)	29s
Tests on mainnet (flex)	33s
Tests for rust client library	1m 34s
Unit test	1m 21s
	20m 11s

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