fix: add missing conversion #3946

Job	Run time
doctest	1m 12s
wasm-wasi	1m 23s
check no_std	22s
cfg-check	24s
clippy	39s
docs	53s
feature-checks	3m 13s
fmt	12s
wasm-unknown	53s
test ubuntu-latest stable --no-default-features	1m 11s
test ubuntu-latest stable	1m 18s
test ubuntu-latest stable --all-features	2m 5s
test ubuntu-latest nightly --no-default-features	1m 4s
test ubuntu-latest nightly	1m 14s
test ubuntu-latest nightly --all-features	2m 0s
test ubuntu-latest 1.79 --no-default-features	34s
test ubuntu-latest 1.79	43s
test windows-latest stable --no-default-features	4m 3s
test windows-latest stable	3m 51s
test windows-latest stable --all-features	7m 21s
test windows-latest nightly --no-default-features	4m 27s
test windows-latest nightly	3m 45s
test windows-latest nightly --all-features	4m 29s
test windows-latest 1.79 --no-default-features	2m 36s
test windows-latest 1.79	2m 22s
	52m 14s

Provide feedback