Update mac-local-knowledge-store-demo to use the latest versions of the connectors

[weesvisje]

• Get the app to use the latest version of the connectors
• Consider wether we can get them deployed to 1Platform (investigate what to do with the UI part)
• Create or update the docs (on the Github repo and in Exchange and Solutions Central if deployed to 1Platform)

This task will be assigned to Brian Keene