Rust

Move CosmWasm dependencies to new `cosmwasm` workspace #431

Job	Run time
Check Lints	5m 21s
Check Documentations	3m 34s
Check Features	13m 4s
test-msrv (ubuntu-latest, unknown-linux-gnu)	1m 55s
test-msrv (macos-latest, apple-darwin)	2m 0s
Run Tests	5m 47s
	31m 41s

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