`MaybeConsideration` extension trait for `Consideration` #6647

Job	Run time
check-dependency-rules	12s
check-fail-ci	13s
check-markdown	18s
check-workspace	26s
set-image	7s
test-rust-features	2m 0s
fmt	1m 3s
check-toml-format	1m 3s
check-rust-feature-propagation	1m 54s
check-umbrella	2m 12s
	9m 28s

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