Update Makefile #8297

Job	Run time
classicmode_1d_3dgrid	4m 11s
classicmode_3d	7m 45s
kilonova_1d_1dgrid	4m 54s
kilonova_1d_3dgrid	5m 43s
kilonova_2d_2dgrid	7m 0s
kilonova_2d_2dgrid_barnesthermalisation	5m 37s
kilonova_2d_2dgrid_expansionopac	5m 28s
kilonova_2d_2dgrid_xcomgammaphotoion	5m 14s
kilonova_2d_3dgrid	6m 52s
nebular_1d_3dgrid	11m 24s
nebular_1d_3dgrid_limitbfest	14m 2s
combine_checksums	25s
	1h 18m 35s

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