Add Go and Ruby to list of SDKs that support Dynamic Handlers

[pvsone]

Temporal Affiliation

• [x] I am a Temporal employee

Page URL

https://docs.temporal.io/dynamic-handler

Content Issue

Go and Ruby should be included in the list of SDKs that support Dynamic Handlers, e.g.

Currently, the Temporal SDKs that support Dynamic Handlers are:

Java Python .NET Go Ruby