Continuous integration

Merge ElementsProject/elements-miniscript#95: Remove inner checksum i… #408

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Run time

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Job	Run time
Integration tests	1m 8s
Nightly - Bench + Docs + Fmt	8m 12s
Lint	3m 12s
Tests (stable)	4m 48s
Tests (beta)	4m 49s
Tests (nightly)	4m 5s
Tests (1.63.0)	8m 6s
	34m 20s