fix(serde): add alias `v` for `yParity` (#801) #2152

Job	Run time
docs	51s
clippy	1m 9s
features stable	2m 16s
check no_std	53s
features stable --all-targets	3m 20s
fmt	13s
miri --no-default-features	5m 9s
features nightly	2m 25s
miri	5m 14s
features nightly --all-targets	3m 29s
wasm	38s
miri --all-features	8m 5s
test ubuntu-latest stable --no-default-features	1m 20s
test ubuntu-latest stable	1m 21s
test ubuntu-latest nightly --no-default-features	1m 15s
test ubuntu-latest nightly	1m 23s
test ubuntu-latest 1.79 --no-default-features	37s
test ubuntu-latest 1.79	38s
test windows-latest stable --no-default-features	3m 8s
test windows-latest stable	3m 7s
test windows-latest nightly --no-default-features	3m 5s
test windows-latest nightly	3m 12s
test windows-latest 1.79 --no-default-features	1m 13s
test windows-latest 1.79	1m 50s
test ubuntu-latest 1.79 --features json	40s
test windows-latest 1.79 --features json	1m 53s
test ubuntu-latest nightly --all-features	1m 24s
test windows-latest nightly --all-features	3m 27s
ci success	1s
	1h 3m 16s

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