CI: prototype on rh7

1 job for ci in 1 minute and 47 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #34220
docker
build-centos7

00:01:47

 
Name Stage Failure
failed
build-centos7 Build There has been a runner system failure, please try again
ERROR: The registry.orfeo-toolbox.org/remote_modules/wasp/wasp-env-centos7:latest is not present on list of allowed images
- registry.orfeo-toolbox.org/orfeotoolbox/otb-build-env/*:*
- registry.orfeo-toolbox.org/gpasero/wasp/*:*

Please check runner's configuration: http://doc.gitlab.com/ci/docker/using_docker_images.html#overwrite-image-and-services
ERROR: Failed to remove network for build
ERROR: Preparation failed: invalid image
Will be retried in 3s ...
ERROR: Job failed (system failure): invalid image