Adapt to new name of MergeConfdb targets
The name of MergeConfdb targets changed with gaudi/Gaudi!1308 (merged), but somehow it became visible only with the switch to LCG 103.
This fixes the lhcb-run2-patches builds of DaVinci.
The name of MergeConfdb targets changed with gaudi/Gaudi!1308 (merged), but somehow it became visible only with the switch to LCG 103.
This fixes the lhcb-run2-patches builds of DaVinci.