Feature/bip322 integration #1085

Job	Run time
Rust fmt	17s
Clippy (--no-default-features)	21s
Clippy (--all-features)	1m 6s
Build and test (stable, --features default)	33s
Build and test (stable, --all-features)	1m 24s
Build and test (stable, --no-default-features)	27s
	4m 8s

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