[lhcb2023ma] Upgrade to Gauss v56r3 instead of v56r2: this includes a Geant4...
[lhcb2023ma] Upgrade to Gauss v56r3 instead of v56r2: this includes a Geant4 speedup and support for ARM in Gauss.
Many thanks to Gloria Corti and Marco Clemencic for their help with this release!