[codecov] only post coverage check statuses to PRs (#5575)
[codecov] only post coverage check statuses to PRs (#5575)


srickardti/openthread,bukepo/openthread,abtink/openthread,jwhui/openthread,bukepo/openthread,jwhui/openthread,abtink/openthread,jwhui/openthread,openthread/openthread,chshu/openthread,chshu/openthread,chshu/openthread,bukepo/openthread,chshu/openthread,bukepo/openthread,jwhui/openthread,openthread/openthread,openthread/openthread,abtink/openthread,abtink/openthread,srickardti/openthread,srickardti/openthread,srickardti/openthread,chshu/openthread,openthread/openthread,chshu/openthread