Add stable/3.0 to PR testing
Add stable/3.0 to PR testing

vmoravec/automation,gosipyan/automation,vmoravec/automation,vmoravec/automation,gosipyan/automation,aspiers/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,gosipyan/automation,aspiers/automation,aspiers/automation,gosipyan/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,SUSE-Cloud/automation