I want to know if it's possible to integrate Google Chat with Botpress and how would it work

Can you give more detail on what your goal is? You may be able to use third party services, like zapier. Depends really on what you want to do.

@dazzling-army-23945 is right ⚡ https://www.make.com/en/help/app/google-chat

Just having google chat as interface for botpress