rocketmq-client-go-2.1.0-rc4

The main goal of this release is to improve stability, usability, and fix bugs and the source code of this release is the copy of the master which has merged from the native branch.

New Feature

• [ISSUE #457] feat(nameserver): support name server resolver.

Improvement

• [ISSUE #474] feat(trace): support name server resolver in TraceConfig.
• [ISSUE #483] fix README.md typo.

Bug

• [ISSUE #472] fix(heartbeat): the value of the message mode, type, and the consume flag is wrong in the heartbeat data.
• [ISSUE #495] set default of SendResult.Status and fix panic