post https://a.klaviyo.com/api/template-clone/
Create a clone of a template with the given template ID.
If there are 1,000 or more templates in an account, cloning will fail as there is a limit of 1,000 templates
that can be created via the API.
Rate limits:
Burst: 10/s
Steady: 150/m
Scopes:
templates:write