You have deployed several services to Google App Engine Standard, designed as microservices with various interdependencies. While most services have undergone few version upgrades, some key services have seen over 20. An issue was identified with the service 'pt-createOrder', and a new version 'v3' was deployed to address this. You are confident in 'v3' and want it to handle all traffic for 'pt-createOrder', aiming to minimize effort and ensure service availability. What should you do?