[Don't Merge] Bump version #2120

Job	Run time
test (InterfaceI, 1)	20m 52s
test (InterfaceI, 1.6)	36m 52s
test (InterfaceII, 1)	29m 23s
test (InterfaceII, 1.6)	32m 30s
test (InterfaceIII, 1)	18m 58s
test (InterfaceIII, 1.6)	23m 28s
test (Integrators_I, 1)	20m 46s
test (Integrators_I, 1.6)	26m 43s
test (AlgConvergence_I, 1)	26m 31s
test (AlgConvergence_I, 1.6)	43m 6s
test (AlgConvergence_II, 1)	29m 15s
test (AlgConvergence_II, 1.6)	33m 3s
test (AlgConvergence_III, 1)	28m 2s
test (AlgConvergence_III, 1.6)	56m 10s
test (Downstream, 1)	32m 36s
test (Downstream, 1.6)	24m 44s
test (ODEInterfaceRegression, 1)	20m 23s
test (ODEInterfaceRegression, 1.6)	32m 11s
test (Multithreading, 1)	16m 18s
test (Multithreading, 1.6)	17m 39s
	9h 29m 30s

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