Amazon ECS Agent - v1.71.1

• Enhancement - Add new release config file called agentVersionV2-.json to our release CodePipeline project #3680
• Enhancement - Update third party attribution files #3655
• Enhancement - Add metrics interface and corresponding no-ops to ecs-agent/ #3654
• Enhancement - Task state change logging refactor #3674
• Enhancement - Add default AES256 encryption and enable versioning to buckets #3673
• Code Quality Improvement - Move TMDS initialization and Audit Logger interface to ecs-agent module, and update agent module to consume them #3653 #3660 #3663 #3666
• Code Quality Improvement - Clean up ACS model, gogenerate, and tool dependencies #3659 #3670
• Code Quality Improvement - Move container instance health doctor to ecs-agent/ #3662
• Code Quality Improvement - Move agent logger to ecs-agent module #3681