crmf

serdect: bump `toml` to v0.8 #843

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	3m 26s
build (1.65.0, wasm32-unknown-unknown)	4m 56s
test (1.65.0)	8m 48s
build (stable, thumbv7em-none-eabi)	49s
test (stable)	3m 12s
build (stable, wasm32-unknown-unknown)	44s
minimal-versions / minimal-versions	3m 19s
	25m 14s

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