R3 Docker - Double lane

Service affecting template to use the Gen3 R3 single lane release. This is the only step for your upgrade to the new R3 template.

Process: To use the new Gen3 R3 release of our cloud template we upgrade in one step which is non-service affecting

Features Gen3 R3 release:

• Move to Python 3.9 version for cloudslot orchestration
• Better control the unattended updates of instance packages
• Use new point release of Ubuntu with latest security patches