hybrid-array: Added serde impls for `Array` #283

Job	Run time
build (1.65.0, armv7a-none-eabi)	5m 28s
test (1.65.0)	4m 37s
build (1.65.0, thumbv7em-none-eabi)	5m 34s
test (stable)	30s
build (1.65.0, wasm32-unknown-unknown)	4m 32s
build (stable, armv7a-none-eabi)	17s
build (stable, thumbv7em-none-eabi)	27s
build (stable, wasm32-unknown-unknown)	11s
minimal-versions / minimal-versions	49s
	22m 25s

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