chore: correct coverage config
chore: correct coverage config

threshold is used for limiting diff, target is more appropriate here.

yashodhank/frappe,frappe/frappe,almeidapaulopt/frappe,yashodhank/frappe,mhbu50/frappe,almeidapaulopt/frappe,almeidapaulopt/frappe,StrellaGroup/frappe,mhbu50/frappe,StrellaGroup/frappe,frappe/frappe,yashodhank/frappe,mhbu50/frappe,yashodhank/frappe,mhbu50/frappe,StrellaGroup/frappe,almeidapaulopt/frappe,frappe/frappe