Improvements

• Update dependencies #303 (Fixes #301)

Dependencies

• grpc-java v1.25.0
• protobuf v3.11.0
• spring-boot v2.2.1
• spring-cloud Hoxton.RELEASE
• spring-cloud-alibaba-nacos-discovery v2.1.1

Acknowledgements

Thanks to all our contributors:

• Igor Bolic @igorbolic