feat!: upgrade to `iota_sdk:2.0` #3733

Job	Run time
clippy	0s
check-all-features	0s
docs	0s
check-toml	0s
check and test / ubuntu-latest, stable	3m 22s
integration tests / ubuntu-latest, stable	1m 12s
format / ubuntu-latest, nightly	1m 25s
	5m 59s

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