Bump `hybrid-array` to v0.2.0-rc.4 (#1493) #2328

Job	Run time
build (1.71.0, thumbv7em-none-eabi)	16s
test (1.71.0)	23s
build (1.71.0, wasm32-unknown-unknown)	17s
test (stable)	18s
build (stable, thumbv7em-none-eabi)	8s
build (stable, wasm32-unknown-unknown)	22s
	1m 44s

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