pass Vec<WorkerRequests> instead of ConfigState to new worker #2246

Job	Run time
Docker build and push to Docker Hub	0s
Test (false, stable)	2m 0s
Build documentation	2m 15s
Coverage	4m 17s
Test (false, beta)	1m 55s
Test (nightly, true)	1m 55s
	12m 22s

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