hybrid-array: Added serde impls for `Array` #478

Job	Run time
build (1.60.0, armv7a-none-eabi)	4m 37s
build (1.60.0, thumbv7em-none-eabi)	4m 36s
build (1.60.0, wasm32-unknown-unknown)	5m 20s
build (stable, armv7a-none-eabi)	17s
build (stable, thumbv7em-none-eabi)	14s
build (stable, wasm32-unknown-unknown)	9s
aarch64 (aarch64-unknown-linux-gnu, 1.60.0)	5m 20s
aarch64 (aarch64-unknown-linux-gnu, stable)	47s
cross (powerpc-unknown-linux-gnu, 1.60.0)	5m 7s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.60.0, sudo apt update && sudo apt install gcc-mult...	5m 16s
cross (powerpc-unknown-linux-gnu, stable)	38s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	41s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.60.0)	5m 1s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	27s
test (x86_64-apple-darwin, macos-latest, 1.60.0)	4m 40s
test (x86_64-apple-darwin, macos-latest, stable)	39s
test (x86_64-pc-windows-msvc, windows-latest, 1.60.0)	7m 33s
test (x86_64-pc-windows-msvc, windows-latest, stable)	2m 19s
minimal-versions / minimal-versions	1m 15s
	54m 56s

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