[DISCUSS] Release ratis-thirdparty 0.8.0

[Attila Doroszlai]

Hi,

I would like to propose a new ratis-thirdparty release, with the
following changes since 0.7.0:

- Shade all Netty Native libraries (RATIS-1443)
- Upgrade gRPC to 1.43.2, Protobuf to 3.19.2 (RATIS-1496)

-Attila