Add SCCNonlinearProblem #466

Job	Run time
Tests (1, Core) / Tests - Core	12m 25s
Tests (1, Downstream) / Tests - Downstream	36m 14s
Tests (1, Python) / Tests - Python	18m 43s
Tests (1, QA) / Tests - QA	9m 44s
Tests (lts, Core) / Tests - Core	12m 3s
Tests (lts, Downstream) / Tests - Downstream	32m 47s
Tests (lts, Python) / Tests - Python	10m 56s
Tests (lts, QA) / Tests - QA	9m 32s
Tests (pre, Core) / Tests - Core	12m 57s
Tests (pre, Downstream) / Tests - Downstream	35m 50s
Tests (pre, Python) / Tests - Python	18m 16s
Tests (pre, QA) / Tests - QA	6m 49s
	3h 36m 16s

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