Build and test the samples in Release mode
This is much more useful than debug mode at the moment, see https://zivgitlab.uni-muenster.de/HPC2SE-Project/pacxx-samples/merge_requests/12
This is much more useful than debug mode at the moment, see https://zivgitlab.uni-muenster.de/HPC2SE-Project/pacxx-samples/merge_requests/12