feat(cli,ironfish): Add wallet:multisig:dkg:round3

[rohanjadvani]

Summary

• Returns name and public address from round3 rpc endpoint
• Adds CLI command for dkg round 3

Testing Plan

Documentation

Does this change require any updates to the Iron Fish Docs (ex. the RPC API
Reference)? If yes, link a
related documentation pull request for the website.

[ ] Yes

Breaking Change

Is this a breaking change? If yes, add notes below on why this is breaking and label it with breaking-change-rpc or breaking-change-sdk.

[ ] Yes

[hughy]

for a followup task -- we should support a way to choose a different name other than the secretName for the account

[andiflabs]

for a followup task -- we should support a way to choose a different name other than the secretName for the account

Yes, I initially included this functionality in the RPC, but then discovered that the name was being overridden in the SDK, but now that #4903 is merged we can add this functionality back