Updating T0 Trigger reference to run 488991 (ATR-30503)
As discussed at recent DQ meeting and also in this ticket: ATR-30503, this MR is to update Trigger T0 reference for HI to run 488991.
Test displays: https://atlasdqm.cern.ch/webdisplay/test/541/express_express/run_488991 (express) https://atlasdqm.cern.ch/webdisplay/test/542/physics_HardProbes/run_488991 (HardProbes)