The digitization tool of the Micromegas was referred to as MmDigitizationTool in the 21.3 job options and as MM_DigitizationTool in master this MR adapts the convention from master also to 21.3
MmDigitizationTool
MM_DigitizationTool
CC @rosati, @nkoehler, @alaurier, @tadej, @jchapman