[ATR-24630] Add HLTMonitoring JSON as in-file payload, this is to be added to MC POOL

Event/xAOD/xAODTriggerCnv/Root/TriggerMenuMetaDataTool.cxx

...D/xAODTriggerCnv/xAODTriggerCnv/TriggerMenuMetaDataTool.h

Tools/PROCTools/data/master_q442_AOD_content.ref

Tools/PyUtils/python/MetaReader.py

...igConfiguration/TrigConfData/TrigConfData/HLTMonitoring.h

Trigger/TrigConfiguration/TrigConfData/src/HLTMonitoring.cxx

...on/TrigConfInterfaces/TrigConfInterfaces/IIHLTConfigSvc.h

...rigConfiguration/TrigConfigSvc/python/TrigConfigSvcCfg.py

...Configuration/TrigConfigSvc/python/TriggerConfigAccess.py

Trigger/TrigConfiguration/TrigConfigSvc/src/HLTConfigSvc.cxx

Trigger/TrigConfiguration/TrigConfigSvc/src/HLTConfigSvc.h

...er/TrigConfiguration/TrigConfxAOD/Root/xAODConfigTool.cxx

...gConfiguration/TrigConfxAOD/TrigConfxAOD/xAODConfigTool.h

Trigger/TrigConfiguration/TrigConfxAOD/src/xAODConfigSvc.cxx

Trigger/TrigConfiguration/TrigConfxAOD/src/xAODConfigSvc.h

...r/TrigConfiguration/TrigConfxAOD/src/xAODMenuWriterMT.cxx

...ger/TrigConfiguration/TrigConfxAOD/src/xAODMenuWriterMT.h