fsb

chore: apply `unreachable_pub` lint to crates #957

Job	Run time
set-msrv / set-msrv	4s
test (1.85.0)	56s
build (1.85.0, wasm32-unknown-unknown)	28s
test (stable)	1m 4s
build (stable, thumbv7em-none-eabi)	19s
build (1.85.0, thumbv7em-none-eabi)	22s
build (stable, wasm32-unknown-unknown)	23s
	3m 36s

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