FPGATrackSim: update slices file
This points to the location of the updated slices file in
/cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/PhaseIIUpgrade/EFTracking/ATLAS-P2-RUN4-03-00-00/eventSelectionSlices/v1.0/slices.txtcc: @jahreda
This points to the location of the updated slices file in
/cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/PhaseIIUpgrade/EFTracking/ATLAS-P2-RUN4-03-00-00/eventSelectionSlices/v1.0/slices.txtcc: @jahreda