Merge pull request #45517 from forthommel/cepgen_patch-12_4_X

[12_4_X] CepGenInterface: Added missing include

Author: cmsbuild

GeneratorInterface/CepGenInterface/interface/CepGenEventGenerator.h

@@ -8,6 +8,7 @@
 #include "FWCore/ParameterSet/interface/ParameterSet.h"
 #include "GeneratorInterface/Core/interface/BaseHadronizer.h"
 
+#include <CepGen/Core/ParametersList.h>
 #include <CepGen/Generator.h>
 
 namespace gen {