ecdsa

dsa: enable and fix workspace-level lints (#1406) #2776

Job	Run time
no_std (thumbv7em-none-eabi, stable)	1m 8s
test (stable)	36s
no_std (wasm32-unknown-unknown, stable)	1m 3s
test (1.85.0)	35s
no_std (wasm32-unknown-unknown, 1.85.0)	1m 3s
no_std (thumbv7em-none-eabi, 1.85.0)	1m 3s
	5m 28s

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