post https://a.klaviyo.com/api/tags//relationships/lists/
Associate a tag with one or more lists. Any list cannot be associated with more than 100 tags.
Use the request body to pass in the ID(s) of the lists(s) that will be associated with the tag.
Rate limits:
Burst: 3/s
Steady: 60/m
Scopes:
lists:write
tags:write