cargo: point `repository` metadata to clonable URLs (#1588) #1654

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 7s
test (1.65.0)	1m 9s
build (1.65.0, wasm32-unknown-unknown)	1m 14s
test (stable)	17s
build (stable, thumbv7em-none-eabi)	36s
build (stable, wasm32-unknown-unknown)	10s
minimal-versions / minimal-versions	39s
	5m 12s

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