reunite the workspace #2306

Job	Run time
fuzz	2m 13s
build (stable, thumbv7em-none-eabi)	1m 17s
test (stable)	59s
test (1.85.0)	1m 15s
build (1.85.0, thumbv7em-none-eabi)	1m 12s
build (stable, wasm32-unknown-unknown)	1m 8s
build (1.85.0, wasm32-unknown-unknown)	1m 17s
minimal-versions	-1s
	9m 20s

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