HepMC2 release for software tutorial by Jason Veatch (generator versions and other info added to TagInfo, some fixes in GeneratorFilters, added xAODMultiElectronFilter, Powheg-05-05, MG fixes). Contains following MRs: https://gitlab.cern.ch/atlas/athena/-/merge_requests/56237 GeneratorObjects: Missing dictionary entry. https://gitlab.cern.ch/atlas/athena/-/merge_requests/56241 AtlasHepMC: Improve barcode handling for hepmc3. https://gitlab.cern.ch/atlas/athena/-/merge_requests/56275 GeneratorFilters fixes and additions https://gitlab.cern.ch/atlas/athena/-/merge_requests/56351 GeneratorFilters add common fragments to correct directory https://gitlab.cern.ch/atlas/athena/-/merge_requests/56311 DerivationFrameworkHiggs - Declare data dependencies of TruthDecorator & write CA configuration https://gitlab.cern.ch/atlas/athena/-/merge_requests/56325 full chain test for JO 421113 https://gitlab.cern.ch/atlas/athena/-/merge_requests/56363 Adding YODA-File to job report https://gitlab.cern.ch/atlas/athena/-/merge_requests/56455 23.0-cppcheck-Pythia8B_i https://gitlab.cern.ch/atlas/athena/-/merge_requests/56460 GeneratorFilters: fix mistakes, Powheg: update to v. -05-05 https://gitlab.cern.ch/atlas/athena/-/merge_requests/56449 ExpressionEvaluation+Pythia8_i: Fix warnings with boost 79. https://gitlab.cern.ch/atlas/athena/-/merge_requests/56054 First event number should be 1 or larger https://gitlab.cern.ch/atlas/athena/-/merge_requests/56505 TrackRecordGenerator+GeneratorModules: remove usage of DataHandle https://gitlab.cern.ch/atlas/athena/-/merge_requests/56545 Herwig7_i: Suppress gcc12 warning. https://gitlab.cern.ch/atlas/athena/-/merge_requests/56542 GeneratorFilters: DataHandle and const_cast fixes https://gitlab.cern.ch/atlas/athena/-/merge_requests/56543 TruthRivetTools: const/mutable fixes https://gitlab.cern.ch/atlas/athena/-/merge_requests/56585 CountHepMC: minor fixes https://gitlab.cern.ch/atlas/athena/-/merge_requests/56614 TruthUtils: Speed up isGenStable for HepMC3. https://gitlab.cern.ch/atlas/athena/-/merge_requests/56625 Fixing bug in MadGraphControl path manipulations https://gitlab.cern.ch/atlas/athena/-/merge_requests/56662 FlowAfterburner: suppress GSL thread-checker warning https://gitlab.cern.ch/atlas/athena/-/merge_requests/56771 Add printing overloads for non-const GenParticlePtr and GenVertexPtr objects https://gitlab.cern.ch/atlas/athena/-/merge_requests/56820 CompositeParticleEvent+ParticleEventAthenaPool+TruthTools: Enable thread-safety checking. https://gitlab.cern.ch/atlas/athena/-/merge_requests/56853 EvgenJobTransforms: put info about generator versions into TagInfo https://gitlab.cern.ch/atlas/athena/-/merge_requests/56858 LArSimEventAthenaPool+AnalysisAssociation+GeneratorUtils: Enable thread-safety checking. https://gitlab.cern.ch/atlas/athena/-/merge_requests/56708 Update test_full_chain_min_bias.sh RDO file location https://gitlab.cern.ch/atlas/athena/-/merge_requests/56923 TestHepMC Patches and Warning cleanup https://gitlab.cern.ch/atlas/athena/-/merge_requests/56919 EvgenJobTransforms: correct the writing of LHEF generators to the TagInfo https://gitlab.cern.ch/atlas/athena/-/merge_requests/56930 GeneratorUtils: Fix cppcheck warning https://gitlab.cern.ch/atlas/athena/-/merge_requests/56981 GeneratorModules: thread-checker fixes https://gitlab.cern.ch/atlas/athena/-/merge_requests/57057 GeneratorFilters change INFO messages to DEBUG https://gitlab.cern.ch/atlas/athena/-/merge_requests/57098 Pythia8_i: improve encapsulation of pythia_stream https://gitlab.cern.ch/atlas/athena/-/merge_requests/57143 Starlight_i: thread-checker fixes https://gitlab.cern.ch/atlas/athena/-/merge_requests/57145 convert MultiElectronFilter to xAODMultiElectronFilter https://gitlab.cern.ch/atlas/athena/-/merge_requests/57148 Use patched shutil in MadGraphUtils [AGENE-2049]