Upgrade `tonic` and `prost` #452

Job	Run time
build-ios (aarch64-apple-ios)	2m 9s
build-ios (aarch64-apple-ios-sim)	1m 34s
clippy-check-ios (aarch64-apple-ios)	1m 47s
clippy-check-ios (aarch64-apple-ios-sim)	1m 26s
	6m 56s

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