engine: update raft engine (#12471)
engine: update raft engine (#12471)

ref tikv/tikv#11119

None

Signed-off-by: tabokie <9573dceb6ead9846c7438fed8e7eb148b78d187d@outlook.com>
BusyJay/tikv,BusyJay/tikv,BusyJay/tikv,BusyJay/tikv