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Cargo.lock: bump `bumpalo` to v3.18.1 #2023

Job	Run time
test (1.85.0)	48s
no_std (thumbv7em-none-eabi, 1.85.0)	2m 45s
no_std (wasm32-unknown-unknown, 1.85.0)	2m 30s
test (stable)	51s
no_std (wasm32-unknown-unknown, stable)	2m 35s
no_std (thumbv7em-none-eabi, stable)	2m 42s
	12m 11s

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