fix: Chain serde (#7) #31

Job	Run time
fmt	17s
docs	38s
clippy	23s
feature-checks	13s
miri --no-default-features	1m 6s
test stable --no-default-features	7s
miri	43s
wasm	16s
test stable	9s
miri --all-features	54s
test stable --all-features	22s
test beta --no-default-features	20s
test beta	18s
test beta --all-features	37s
test nightly --no-default-features	19s
test nightly	18s
test nightly --all-features	22s
test 1.65 --no-default-features	18s
test 1.65	19s
	7m 59s

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