Update exspec-after.sh #8650

Job	Run time
classicmode_1d_3dgrid	9m 7s
classicmode_3d	7m 42s
kilonova_1d_1dgrid	5m 49s
kilonova_1d_3dgrid	4m 38s
kilonova_2d_2dgrid	6m 43s
kilonova_2d_2dgrid_barnesthermalisation	5m 2s
kilonova_2d_2dgrid_expansionopac	4m 25s
kilonova_2d_2dgrid_xcomgammaphotoion	4m 45s
kilonova_2d_3dgrid	6m 32s
nebular_1d_3dgrid	10m 55s
nebular_1d_3dgrid_limitbfest	13m 51s
combine_checksums	18s
	1h 19m 47s

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