Nodes should provide more information on why they reject a vote

When votes are rejected, we say why they are, but don't provide details. For example, if we vote no because the candidate is behind us, we don't provide the relevant OpTimes, even though they're available.
https://github.com/mongodb/mongo/blob/8a4b235971a59e92e3fa67fd6a92ddcfcd76ce81/src/mongo/db/repl/topology_coordinator_impl.cpp#L2573-L2591