Change AWS account credentials
Change AWS account credentials

To a separate user that has access to EC2, S3, ELB and Route53. This
replaces Michal's credentials and will ensure that it continues working if
he resets his keys or leaves. The permissions need to be further tightened
as part of [#95407128].

alphagov/multicloud-deploy,alphagov/multicloud-deploy,alphagov/multicloud-deploy