Merge branch 'FixATLASSIM-4186_master' into 'master'

Ensure G4AtlasApps/jobOptions.G4Cosmic.py writes out some events

Closes ATLASSIM-4186

See merge request atlas/athena!24174

Simulation/G4Atlas/G4AtlasApps/share/jobOptions.G4Cosmic.py

@@ -20,7 +20,7 @@ globalflags.ConditionsTag = "OFLCOND-RUN12-SDR-21" # Probably want a different c
 ## AthenaCommon flags
 from AthenaCommon.AthenaCommonFlags import athenaCommonFlags
 athenaCommonFlags.PoolHitsOutput = 'test.HITS.pool.root'
-athenaCommonFlags.EvtMax = 3
+athenaCommonFlags.EvtMax = 1000
 
 ## Set beam type
 from AthenaCommon.BeamFlags import jobproperties