Update HLT1 PbPb sequence for 2024 ion run

The main update consists of adding and tuning the SMOG2 line to reduce the Pb-SMOG2 rate.

configuration/python/AllenConf/thresholds/pp_reference_run_2024.py

+###############################################################################
+# (c) Copyright 2024 CERN for the benefit of the LHCb Collaboration           #
+#                                                                             #
+# This software is distributed under the terms of the Apache License          #
+# version 2 (Apache-2.0), copied verbatim in the file "COPYING".              #
+#                                                                             #
+# In applying this licence, CERN does not waive the privileges and immunities #
+# granted to it by virtue of its status as an Intergovernmental Organization  #
+# or submit itself to any jurisdiction.                                       #
+###############################################################################
+from AllenConf.thresholds.thresholds import Thresholds
+
+threshold_settings = Thresholds(
+    TrackMVA_alpha=1100,
+    TrackMVA_maxGhostProb=0.2,
+    TrackElectronMVA_alpha=0.,
+    TrackMuonMVA_alpha=0.,
+    TrackMuonMVA_maxCorrChi2=1.8,
+    D2HH_track_ip=0.06,
+    D2HH_track_pt=200.,
+    D2HH_ctIPScale=1.,
+    SingleHighPtLepton_pt=6000.,
+    SingleHighPtLepton_pt_noMuonID=8000.,
+    TwoTrackMVA_minMVA=0.97,
+    TwoTrackMVA_maxGhostProb=0.2,
+    TwoTrackKs_minTrackPt_piKs=200.,
+    TwoTrackKs_minTrackIPChi2_piKs=50.,
+    TwoTrackKs_minComboPt_Ks=1000.,
+    TwoTrackKs_maxEta_Ks=4.2,
+    TwoTrackKs_min_combip=0.72,
+    DiMuonHighMass_pt=0,
+    DiMuonHighMass_maxCorrChi2=1.8,
+    DiMuonDisplaced_pt=0,
+    DiMuonDisplaced_ipchi2=5,
+    DiMuonDisplaced_maxCorrChi2=1.8,
+    DiElectronDisplaced_pt=0,
+    DiElectronDisplaced_ipchi2=5,
+    DiPhotonHighMass_minET=2500,
+    LambdaLLDetachedTrack_track_mipchi2=9,
+    LambdaLLDetachedTrack_combination_bpvfd=1.4,
+    XiOmegaLLL_track_ipchi2=9)