Implement telemetry functions for message server v2

[chatton]

Summary

Add telemetry for message server V2. Currently there are no-op functions added that get called in the message server v2, these need to be implemented and called at the message server layer.

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[DimitrisJim]

One question here. Did we ever get feedback on if anyone even uses these? Lets ask around if this is something people need before implementing?

[womensrights]

Given telemetry is available to use in the sdk I think this should be supported. I checked a few chains and can see the cosmos hub and celestia have it enabled - given its a small amount of work, I think this should be done

[DimitrisJim]

sounds fair enough to me.