chore(deps): bump `cmov` to `0.4.6` #2270

Job	Run time
test (stable)	18s
minimal-versions / minimal-versions	26s
build (1.85.0, wasm32-unknown-unknown)	16s
test (1.85.0)	24s
build (stable, thumbv7em-none-eabi)	13s
build (1.85.0, thumbv7em-none-eabi)	16s
build (stable, wasm32-unknown-unknown)	18s
	2m 11s

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