feat(rust/signed-doc): Add deserializer for Catalyst Signed Documents #715

Job	Run time
ci / discover	14s
ci / check / .+check-markdown	1m 1s
ci / check / .+check-spelling	58s
ci / check / ./docs/src/architecture/08_concepts/catalyst_voting/cddl+check-cddl	28s
ci / check / ./docs/src/architecture/08_concepts/immutable_ledger/cddl+check-cddl	28s
ci / check / ./rust+check	49s
ci / check / ./rust+check-builder-src-cache	51s
ci / build	0s
ci / package	0s
ci / test	0s
ci / docs	0s
ci / publish	0s
ci / release	0s
ci / final	0s
ci / deploy	0s
test_reporting / Generate test reports	34m 36s
test_reporting / Generate allure report	22s
test_reporting / Generate coverage report	7s
test_reporting / Upload coverage report	5s
	39m 59s

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