Production of D->hhh 2024-Q1.2 MC samples with new dddb_tag and conddb (supersedes !1205)
2024 charm data validation - simulation of D -> hhh channels: D -> Kpipi, Ds -> KKpi, Ds -> KKK.
2024 charm data validation - simulation of D -> hhh channels: D -> Kpipi, Ds -> KKpi, Ds -> KKK.