feat: Add tracing hook. (#496) #2563

Job	Run time
contract-tests-curl	4m 31s
contract-tests	5m 0s
build-test	5m 49s
build-test-client-mac	8m 7s
build-test-client-mac-curl	6m 32s
build-test-curl	7m 44s
build-test-client-windows	16m 8s
build-test-client-windows-curl	18m 12s
	1h 12m 3s

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