[ACTION] Improve update contact with label

[johndbritton]

Is there a specific app this action is for?

Apollo.io

Please provide a link to the relevant API docs for the specific service / operation.

First a label needs to be found or created by string using:

https://docs.apollo.io/reference/get-a-list-of-all-liststags

Then once the label is found, it needs to be applied to the contact using:

https://docs.apollo.io/reference/update-a-contact