refactor!(validation): make it stricter to reflect the new API #904

Job	Run time
dco / check	2s
reuse / test	8s
warmup-caches / beta / build	1m 51s
multi-platform / windows-latest / stable / test	3m 25s
warmup-caches / nightly / build	1m 48s
e2e-test / e2e-test	6m 17s
warmup-caches / stable / build	1m 47s
test / ubuntu / stable	1m 24s
check / beta / clippy	1m 16s
test / ubuntu / stable / coverage	1m 37s
test / ubuntu / beta	1m 40s
check / stable / clippy	1m 12s
check / stable / fmt	6s
check / ubuntu / 1.78	1m 1s
check / nightly / doc	58s
check / ubuntu / stable / minimal-versions	56s
check / stable / for-publish	1m 22s
check / ubuntu / stable / features	6m 2s
check / stable / semver	0s
	32m 52s

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