Bump `bincode` dev-dependency to v2 #257

Job	Run time
careful	51s
build (1.85.0, armv7a-none-eabi)	20s
build (1.85.0, thumbv7em-none-eabi)	19s
doc	13s
build (stable, thumbv7em-none-eabi)	20s
miri (x86_64-unknown-linux-gnu)	42s
test (1.85.0)	25s
test (stable)	15s
build (1.85.0, wasm32-unknown-unknown)	19s
build (stable, armv7a-none-eabi)	15s
rustfmt	7s
miri (s390x-unknown-linux-gnu)	51s
clippy	18s
build (stable, wasm32-unknown-unknown)	15s
	5m 30s

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