Enhancement proposal : A milvus_cli without any dependencies

[haorenfsa]

Current milvus_cli depends on python >=3.8.5 to run, while most server image in production (like RHEL<=7 or ubantu <=16) won't have python at such high version. Some slimed or old images may only have python2 or even no python installed.

I'm recently try to build a rpm binary release for RHEL7, and I mean to enclude a milvus_cli for the user to check the service after installation. But I give up for there're so many dependency to install and there're dependency conflicts that could drive our user crazy.

Now that the go SDK is available, maybe we can use it to build a binary client without dependencies.