Gets a summary of top appliances by utilization for a Cisco Meraki organization.

Target: Meraki integration target

Steps:
- Build the query string
- Check if there are errors (if there are end the atomic)
- Get the top appliances summary
- Check if the request was successful:
  - If it was, set the output variable
  - If it wasn't, return an error

More information about this API: https://developer.cisco.com/meraki/api-v1/get-organization-summary-top-appliances-by-utilization/

Cisco Meraki - Get Top Appliances by Utilization for Org.