chore: relax a generic trait #59

Job	Run time
check no_std	9s
clippy	11s
doctest	15s
feature-checks	17s
feature-propagation	49s
fmt	11s
docs	19s
wasm-unknown	27s
wasm-wasi	20s
test ubuntu-latest stable --no-default-features	37s
test ubuntu-latest stable	19s
test ubuntu-latest stable --all-features	31s
test ubuntu-latest nightly --no-default-features	36s
test ubuntu-latest nightly	34s
test ubuntu-latest nightly --all-features	29s
test ubuntu-latest 1.81 --no-default-features	22s
test ubuntu-latest 1.81	36s
test windows-latest stable --no-default-features	1m 13s
test windows-latest stable	2m 7s
test windows-latest stable --all-features	1m 54s
test windows-latest nightly --no-default-features	2m 22s
test windows-latest nightly	1m 6s
test windows-latest nightly --all-features	1m 40s
test windows-latest 1.81 --no-default-features	1m 6s
test windows-latest 1.81	1m 29s
deny / cargo deny check	22s
ci success	2s
	20m 23s

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