Merge branch 'ci_improve' into 'master'

.gitlab-ci.yml

.gitlab-ci.yml-cache

CMakeLists.txt

corsika/detail/framework/utility/CorsikaData.inl

corsika/detail/media/BaseExponential.inl

corsika/detail/media/FlatExponential.inl

corsika/detail/media/HomogeneousMedium.inl

corsika/detail/media/InhomogeneousMedium.inl

corsika/detail/media/LinearApproximationIntegrator.inl

corsika/detail/media/SlidingPlanarExponential.inl

corsika/detail/modules/HadronicElasticModel.inl

corsika/detail/modules/LongitudinalProfile.inl

corsika/detail/modules/ObservationPlane.inl

corsika/detail/modules/ParticleCut.inl

corsika/detail/modules/StackInspector.inl

corsika/detail/modules/conex/CONEXhybrid.inl

corsika/detail/modules/energy_loss/BetheBlochPDG.inl

corsika/detail/modules/proposal/ContinuousProcess.inl

corsika/detail/modules/proposal/Interaction.inl

corsika/detail/modules/proposal/ProposalProcessBase.inl