[Feature Request] Support SecurityToken

[daxingplay]

Feature Request:

Support STS. We need to allow aliyun account A to access MQ instance in account B. After reading the docs, I found that MQ support RAM STS AssumeRole method to cross-account access.

Related doc: https://help.aliyun.com/document_detail/93844.html

[justquanyin]

me too

[zbydown]

I've already completed this feature, but not tested yet.