v1.5.0-beta.4

What's Changed

• refactor:重构grpc-go-polaris的相关版本设计 by @chuntaojun in #63
• fix:修复注册无法上报心跳问题 by @chuntaojun in #64
• dep:upgrade polaris-go version by @chuntaojun in #65
• fix:修复注册port不支持自定义 by @chuntaojun in #66
• fix:修复日志打印行数不对的问题 by @chuntaojun in #67
• refactor:调整 grpc 部分逻辑实现&补充日志打印 by @chuntaojun in #68
• fix:修复监控数据上报丢失方法 by @chuntaojun in #69
• fix:优化example by @chuntaojun in #70

Full Changelog: v1.4.1...v1.5.0-beta.4