Tests

feat: snip-12 typed data parsing and hashing #1470

Job	Run time
no-std build	48s
WASM tests	4m 5s
Unix tests (ubuntu-latest, stable)	2m 11s
Unix tests (ubuntu-latest, nightly)	2m 24s
Windows tests (stable, x86_64-pc-windows-gnu)	6m 8s
Unix tests (macos-13, stable)	3m 6s
Windows tests (stable, x86_64-pc-windows-msvc)	5m 44s
Unix tests (macos-13, nightly)	2m 56s
Windows tests (nightly, x86_64-pc-windows-gnu)	5m 4s
Windows tests (nightly, x86_64-pc-windows-msvc)	4m 3s
Unix tests (macos-14, stable)	1m 47s
Unix tests (macos-14, nightly)	3m 30s
	41m 46s

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