mgm

Bump `ctr` to v0.10.0-pre.0 crate release #778

Job	Run time
build (1.56.0, thumbv7em-none-eabi)	2m 3s
build (1.56.0, wasm32-unknown-unknown)	2m 21s
test (1.56.0)	2m 20s
build (stable, thumbv7em-none-eabi)	15s
test (stable)	22s
build (stable, wasm32-unknown-unknown)	18s
	7m 39s

Provide feedback