Update the SSM Agent version to 3.1.804.0
Update the SSM Agent version to 3.1.804.0

aws/amazon-ecs-init,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-init,aws/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-agent,aws/amazon-ecs-init