dd4hep: Add +edm4hep and +hepmc3 (#44) * dd4hep: Add +edm4hep and +hepmc3 * bump edm4hep, podio and dd4hep * build on main and prs only * use compatible set of versions that build on clang 14 * hard require unify
dd4hep: Add +edm4hep and +hepmc3 (#44) * dd4hep: Add +edm4hep and +hepmc3 * bump edm4hep, podio and dd4hep * build on main and prs only * use compatible set of versions that build on clang 14 * hard require unify