Bump `bincode` dev-dependency to v2 #258

Job	Run time
rustfmt	4s
careful	50s
clippy	15s
doc	11s
build (1.85.0, armv7a-none-eabi)	22s
build (1.85.0, wasm32-unknown-unknown)	22s
build (1.85.0, thumbv7em-none-eabi)	18s
miri (x86_64-unknown-linux-gnu)	43s
miri (s390x-unknown-linux-gnu)	50s
build (stable, thumbv7em-none-eabi)	27s
test (1.85.0)	25s
build (stable, wasm32-unknown-unknown)	22s
test (stable)	19s
build (stable, armv7a-none-eabi)	16s
	5m 44s

Provide feedback