lms

Update toolchain and minor fixes #225

Job	Run time
clippy	14s
msrv	4m 46s
rustfmt	9s
check-for-todos	3s
set-msrv	8s
build (1.63, thumbv7em-none-eabi)	2m 47s
cross (1.63, aarch64-unknown-linux-gnu, default)	7m 26s
bench	43s
test (1.63)	4m 15s
build (1.63, wasm32-unknown-unknown)	2m 53s
cross (stable, aarch64-unknown-linux-gnu, default)	4m 32s
test (stable)	1m 28s
build (stable, thumbv7em-none-eabi)	17s
build (stable, wasm32-unknown-unknown)	23s
	30m 4s

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