Bump `hybrid-array` to v0.2.0-pre.7 #2173

Job	Run time
build (1.60.0, thumbv7em-none-eabi)	1m 27s
build (1.60.0, wasm32-unknown-unknown)	1m 25s
build (stable, thumbv7em-none-eabi)	17s
build (stable, wasm32-unknown-unknown)	19s
derive (1.60.0)	1m 24s
doc	24s
derive (stable)	16s
test (1.60.0)	1m 31s
test (stable)	19s
minimal-versions / minimal-versions	31s
	7m 53s

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