fix: Chain serde #27

Job	Run time
fmt	17s
docs	22s
feature-checks	8s
clippy	27s
miri --no-default-features	1m 11s
wasm	16s
miri	42s
test stable --no-default-features	18s
miri --all-features	1m 8s
test stable	12s
test stable --all-features	12s
test beta --no-default-features	18s
test beta	17s
test beta --all-features	23s
test nightly --no-default-features	22s
test nightly	19s
test nightly --all-features	32s
test 1.65 --no-default-features	25s
test 1.65	28s
	8m 17s

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