Experiment with integrating jqwik into Spock #421

Job	Run time
build-and-verify (ubuntu-latest, 2.5, 8)	3m 29s
build-and-verify (ubuntu-latest, 2.5, 11)	4m 15s
build-and-verify (ubuntu-latest, 3.0, 8)	1m 21s
build-and-verify (ubuntu-latest, 3.0, 11)	4m 26s
build-and-verify (ubuntu-latest, 3.0, 17)	3m 20s
build-and-verify (ubuntu-latest, 3.0, 21)	1m 41s
build-and-verify (ubuntu-latest, 4.0, 8)	3m 33s
build-and-verify (ubuntu-latest, 4.0, 11)	4m 54s
build-and-verify (ubuntu-latest, 4.0, 17)	4m 32s
build-and-verify (ubuntu-latest, 4.0, 21)	3m 24s
build-and-verify (windows-latest, 2.5, 8)	3m 17s
build-and-verify (windows-latest, 3.0, 8)	7m 35s
build-and-verify (windows-latest, 4.0, 8)	6m 54s
build-and-verify (macos-latest, 2.5, 8)	2m 30s
build-and-verify (macos-latest, 3.0, 8)	2m 29s
build-and-verify (macos-latest, 4.0, 8)	3m 0s
	1h 0m 40s

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