dsa

Cargo.lock: bump `signature` to v2.2.0 #503

Job	Run time
build (thumbv7em-none-eabi, 1.65.0)	3m 41s
build (thumbv7em-none-eabi, stable)	20s
build (wasm32-unknown-unknown, 1.65.0)	3m 47s
test (ubuntu-latest, 1.65.0)	4m 22s
build (wasm32-unknown-unknown, stable)	19s
test (ubuntu-latest, stable)	34s
test (macos-latest, 1.65.0)	7m 44s
test (macos-latest, stable)	1m 32s
test (windows-latest, 1.65.0)	5m 23s
test (windows-latest, stable)	1m 33s
	29m 15s

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