aws: update ubuntu version and regions

Arran Walkerrequested to merge
ajwalker/aws-update-ubuntu-version-regions into main

⚠ ️NOTE THAT THIS FORK IS MAINTAINED FOR CRITICAL BUG FIXES AFFECTING RUNNING COSTS ONLY. NO OTHER CONTRIBUTIONS WILL BE ACCEPTED. ⚠️

What critical bug this MR is fixing?

Updates AWS Ubuntu images and supported regions.

Merge request reports