ml-kem: bump `hybrid-array` to v0.2.0-rc.7 (#6) #26

Job	Run time
set-msrv / set-msrv	2s
minimal-versions / minimal-versions	1m 18s
test (1.74.0)	40s
test (stable)	38s
no_std (1.74.0, thumbv7em-none-eabi)	18s
cross (powerpc-unknown-linux-gnu, 1.74.0)	1m 12s
cross (powerpc-unknown-linux-gnu, stable)	1m 5s
no_std (1.74.0, wasm32-unknown-unknown)	22s
no_std (stable, thumbv7em-none-eabi)	38s
no_std (stable, wasm32-unknown-unknown)	31s
	6m 44s

Provide feedback