[Enhancement] Workflow Feature Implementation: EM Go SDK supports CloudEvents

[walterlife]

Search before asking

• [X] I had searched in the issues and found no similar issues.

Enhancement Request

EM Go SDK supports CloudEvents events

Describe the solution you'd like

EM Go SDK supports CloudEvents events

Are you willing to submit PR?

• [ ] Yes I am willing to submit a PR!

[RiemannChow]

Hi, I'd like to try this feature, could you assign it to me?