Bump `hybrid-array` depenency to v0.2.0-pre.6 #444

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 20s
test (1.65.0)	1m 24s
build (1.65.0, wasm32-unknown-unknown)	1m 28s
build (stable, thumbv7em-none-eabi)	17s
test (stable)	15s
build (stable, wasm32-unknown-unknown)	19s
minimal-versions / minimal-versions	24s
	5m 27s

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