feat: wire FDv2 into v3 contract tests, with CI #2035

Job	Run time
build-test-server	8m 51s
contract-tests-fdv2-curl	4m 50s
build-test-server-mac-curl	5m 29s
build-test-server-curl	9m 33s
contract-tests-curl	5m 5s
build-test-server-windows-curl	20m 26s
contract-tests-fdv2	5m 6s
build-test-server-windows	19m 26s
build-test-server-mac	7m 48s
contract-tests	5m 0s
	1h 31m 34s

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