2025-01-17: merge of 24.0 into main

Two conflicts

1. InnerDetector/InDetValidation/InDetPhysValMonitoring/test/test_ttbarPU40_reco.sh. Resolved manually. @tstreble please check that you are happy with the resolution
2. PhysicsAnalysis/JetTagging/FlavorTagDiscriminants/Root/GNN.cxx. Resolved manually. @dguest please check that you are happy with the resolution

Thanks!

This sweep contains the following MRs:

• !77252 (merged) Support zero-multiplicity for muon trigger object Trigger, TriggerMenu
• !77242 (merged) PyJobTransforms.trfAMI: improve handling of pyAMI.exception.Error exceptions Tools
• !77223 (merged) Add check against fixed ref for ttbar IDPVM ART test InnerDetector, PhysValidation
• !77206 (merged) Introduce check against fixed sim reference for IDPVM simreco ART tests InnerDetector, PhysValidation
• !77155 (merged) GdbUtils: New package. Build, Simulation, Tools
• !77140 (merged) Add FastChain workflows to ART tests and update memory configuration for MP/MT scenarios Overlay, Simulation
• !76962 (merged) IsolationSelection: Lock decorations. Analysis
• !77243 (merged) WebdaqHistSvc: added use of TDAQ_OH_SERVER variable Trigger
• !77202 (merged) ATLINFR-5625: fixes for onnxruntime update in trigger Analysis, BTagging, JetEtmiss, Trigger, TriggerMenu
• !77234 (merged) fix another extraneous comma, and replace deleted chains Trigger