Use three variants instead of four to avoid complexity explosion -- t… #202

Job	Run time
docs	1m 37s
verification (Debug, exceptions, 14, gcc)	4m 16s
verification (Debug, exceptions, 14, clang)	3m 20s
verification (Debug, exceptions, 17, gcc)	4m 12s
verification (Debug, exceptions, 17, clang)	3m 25s
verification (Debug, exceptions, 20, gcc)	4m 16s
verification (Debug, exceptions, 20, clang)	3m 36s
verification (Debug, no-exceptions, 14, clang)	2m 58s
verification (Debug, no-exceptions, 17, gcc)	3m 57s
verification (Debug, no-exceptions, 17, clang)	2m 50s
verification (Debug, no-exceptions, 20, gcc)	3m 55s
verification (Debug, no-exceptions, 20, clang)	3m 2s
verification (Release, exceptions, 14, gcc)	6m 19s
verification (Release, exceptions, 14, clang)	6m 30s
verification (Release, exceptions, 17, gcc)	5m 58s
verification (Release, exceptions, 17, clang)	6m 28s
verification (Release, exceptions, 20, gcc)	6m 12s
verification (Release, exceptions, 20, clang)	6m 59s
verification (Release, no-exceptions, 14, gcc)	4m 39s
verification (Release, no-exceptions, 14, clang)	5m 3s
verification (Release, no-exceptions, 17, gcc)	4m 47s
verification (Release, no-exceptions, 17, clang)	4m 59s
verification (Release, no-exceptions, 20, gcc)	4m 56s
verification (Release, no-exceptions, 20, clang)	5m 19s
verification (Coverage, no-exceptions, 14, gcc)	5m 4s
sonarqube	1m 51s
deploy-docs	0s
	1h 56m 28s

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